Collection: Retaining Rings - Internal

1202 Products in this selection
This is a combined category of Internal Retaining Rings.
Use the filters in the table below, or the category tree above to refine the selection. To order any item, simply click the part number for a full product page, then add to your cart.
Retaining Rings - Internal
Additional resources:
Anderton Cross Reference PDF
Circlips PDF Catalogue
Circlip Tools
A more concise listing may be found on the Smallparts store at Retaining Rings - Internal. Smallparts promote the most popular MBA products.
Housing Bore (B) Clip Thickness (T) Groove Dia. (Dg) Approx. Loose Circlip OD (Dr) Radial Wall (S) Groove Width (W) Indicative
Image
Housing Bore (B)
36.98
mm

(1.456 in.)
Clip Thickness (T)
1.22
mm
+ 0.10 / - 0.00
(0.048 in.)
Groove Dia. (Dg)
39.67
mm
+/- 0.05
(1.562 in.)
Approx. Loose Circlip OD (Dr)
40.54
mm
+ 1.14 / - 0.00
Radial Wall (S)
1.65 - 3.38
mm
Groove Width (W)
1.02
mm
+ 0.03 / - 0.00
Internal Retaining Rings - 36.98x1.22x39.67 mm - Carbon Steel
Material: Carbon Steel   
Category: Retaining Rings - Internal - Circlips
Part Number: CIB-03698-C (125 Pcs) Internal Retaining Rings - 36.98x1.22x39.67 mm - Carbon Steel
Out of Stock | Backorder Now | Orders can be expected around Sat, Aug 09, 2025
Regular price $455.68 AUD
Regular price Sale price $455.68 AUD
Per 125
Housing Bore (B) Clip Thickness (T) Groove Dia. (Dg) Approx. Loose Circlip OD (Dr) Indicative
Image
Housing Bore (B)
36.98
mm

(1.456 in.)
Clip Thickness (T)
1.22
mm
+ 0.10 / - 0.00
(0.048 in.)
Groove Dia. (Dg)
39.67
mm
+/- 0.05
(1.562 in.)
Approx. Loose Circlip OD (Dr)
40.54
mm
+ 1.14 / - 0.00
Internal Retaining Rings - 36.98x1.22x39.67 mm - Carbon Steel
Material: Carbon Steel    Radial Wall (S): 1.65 - 3.38 mm    Groove Width (W): 1.02 mm + 0.03 / - 0.00  
Category: Retaining Rings - Internal - Circlips
Part Number: CIB-03698-C (125 Pcs) Internal Retaining Rings - 36.98x1.22x39.67 mm - Carbon Steel
Out of Stock | Backorder Now | Orders can be expected around Sat, Aug 09, 2025
Regular price $455.68 AUD
Regular price Sale price $455.68 AUD
Per 125
View the product page first if you are unsure.
Housing Bore (B)
36.98
mm

(1.456 in.)
Clip Thickness (T)
1.27
mm
+/- 0.05
(0.05 in.)
Groove Dia. (Dg)
38.91
mm
+/- 0.13
(1.532 in.)
Approx. Loose Circlip OD (Dr)
39.55
mm
+ 0.79 / - 0.00
Radial Wall (S)
3.18
mm
+/- 0.13
Groove Width (W)
1.42
mm
Internal Retaining Rings - 36.98x1.27x38.91 mm - Spring Steel
Material: Spring Steel    Clearance in Groove (C1): 33.19 mm   
Category: Retaining Rings - Internal - Snap Rings
Part Number: WRI-0370-LS-O Internal Retaining Rings - 36.98x1.27x38.91 mm - Spring Steel
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Housing Bore (B)
36.98
mm

(1.456 in.)
Clip Thickness (T)
1.27
mm
+/- 0.05
(0.05 in.)
Groove Dia. (Dg)
38.91
mm
+/- 0.13
(1.532 in.)
Approx. Loose Circlip OD (Dr)
39.55
mm
+ 0.79 / - 0.00
Internal Retaining Rings - 36.98x1.27x38.91 mm - Spring Steel
Material: Spring Steel    Radial Wall (S): 3.18 mm +/- 0.13    Groove Width (W): 1.42 mm    Clearance in Groove (C1): 33.19 mm   
Category: Retaining Rings - Internal - Snap Rings
Part Number: WRI-0370-LS-O Internal Retaining Rings - 36.98x1.27x38.91 mm - Spring Steel
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Housing Bore (B)
36.98
mm

(1.456 in.)
Clip Thickness (T)
1.27
mm
+/- 0.102
(0.05 in.)
Groove Dia. (Dg)
39.32
mm
+ 0.00 / - 0.06
(1.548 in.)
Approx. Loose Circlip OD (Dr)
41.05
mm
+ 0.64 / - 0.38
Groove Width (W)
1.42
mm
+ 0.10 / - 0.00
Internal Retaining Rings - 36.98x1.27x39.32 mm - Carbon Steel
Material: Carbon Steel    Clearance in Bore (C): 27.43 mm    Clearance in Groove (C1): 29.72 mm   
Category: Retaining Rings - Internal - Circlips
Part Number: CCI-03698-C (50 Pcs) Internal Retaining Rings - 36.98x1.27x39.32 mm - Carbon Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 09, 2025
Regular price $384.05 AUD
Regular price Sale price $384.05 AUD
Per 50
Housing Bore (B)
36.98
mm

(1.456 in.)
Clip Thickness (T)
1.27
mm
+/- 0.102
(0.05 in.)
Groove Dia. (Dg)
39.32
mm
+ 0.00 / - 0.06
(1.548 in.)
Approx. Loose Circlip OD (Dr)
41.05
mm
+ 0.64 / - 0.38
Internal Retaining Rings - 36.98x1.27x39.32 mm - Carbon Steel
Material: Carbon Steel    Groove Width (W): 1.42 mm + 0.10 / - 0.00   Clearance in Bore (C): 27.43 mm    Clearance in Groove (C1): 29.72 mm   
Category: Retaining Rings - Internal - Circlips
Part Number: CCI-03698-C (50 Pcs) Internal Retaining Rings - 36.98x1.27x39.32 mm - Carbon Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 09, 2025
Regular price $384.05 AUD
Regular price Sale price $384.05 AUD
Per 50
View the product page first if you are unsure.
Housing Bore (B)
37.00
mm

(1.457 in.)
Clip Thickness (T)
1.50
mm
+ 0 / - 0.10
(0.059 in.)
Groove Dia. (Dg)
38.20
mm
+ 0.16 / - 0.00
(1.504 in.)
Approx. Loose Circlip OD (Dr)
38.80
mm
Radial Wall (S)
2.30
mm
+ 0 / - 0.10
Groove Width (W)
1.60
mm
Internal Retaining Rings - 37x1.5x38.2 mm - Spring Steel
Material: Spring Steel    Clearance in Groove (C1): 34.2 mm   
Category: Retaining Rings - Internal - Snap Rings
Part Number: WRI-0370-LS Internal Retaining Rings - 37x1.5x38.2 mm - Spring Steel
Out of Stock | Backorder Now | Orders can be expected around Wed, Jun 18, 2025
Regular price $7.86 AUD
Regular price Sale price $7.86 AUD
Each
Housing Bore (B)
37.00
mm

(1.457 in.)
Clip Thickness (T)
1.50
mm
+ 0 / - 0.10
(0.059 in.)
Groove Dia. (Dg)
38.20
mm
+ 0.16 / - 0.00
(1.504 in.)
Approx. Loose Circlip OD (Dr)
38.80
mm
Internal Retaining Rings - 37x1.5x38.2 mm - Spring Steel
Material: Spring Steel    Radial Wall (S): 2.30 mm + 0 / - 0.10    Groove Width (W): 1.60 mm    Clearance in Groove (C1): 34.2 mm   
Category: Retaining Rings - Internal - Snap Rings
Part Number: WRI-0370-LS Internal Retaining Rings - 37x1.5x38.2 mm - Spring Steel
Out of Stock | Backorder Now | Orders can be expected around Wed, Jun 18, 2025
Regular price $7.86 AUD
Regular price Sale price $7.86 AUD
Each
View the product page first if you are unsure.
Housing Bore (B)
37.00
mm

(1.457 in.)
Clip Thickness (T)
1.50
mm
+ 0.25 / - 0.00
(0.059 in.)
Groove Dia. (Dg)
39.00
mm
+ 0.00 / - 0.06
(1.535 in.)
Approx. Loose Circlip OD (Dr)
39.80
mm
+ 0.50 / - 0.25
Groove Width (W)
1.60
mm
+ 0.10 / - 0.00
Internal Retaining Rings - 37x1.5x39 mm - Carbon Steel
Material: Carbon Steel    Clearance in Bore (C): 25.40 mm    Clearance in Groove (C1): 28.00 mm   
Category: Retaining Rings - Internal - Circlips
Part Number: CCI-03700-C (5 Pcs) Internal Retaining Rings - 37x1.5x39 mm - Carbon Steel
41 units (205 pcs) Available Immediately | Further orders can be expected around Mon, Jun 09, 2025
Regular price $6.77 AUD
Regular price Sale price $6.77 AUD
Per 5
Housing Bore (B)
37.00
mm

(1.457 in.)
Clip Thickness (T)
1.50
mm
+ 0.25 / - 0.00
(0.059 in.)
Groove Dia. (Dg)
39.00
mm
+ 0.00 / - 0.06
(1.535 in.)
Approx. Loose Circlip OD (Dr)
39.80
mm
+ 0.50 / - 0.25
Internal Retaining Rings - 37x1.5x39 mm - Carbon Steel
Material: Carbon Steel    Groove Width (W): 1.60 mm + 0.10 / - 0.00   Clearance in Bore (C): 25.40 mm    Clearance in Groove (C1): 28.00 mm   
Category: Retaining Rings - Internal - Circlips
Part Number: CCI-03700-C (5 Pcs) Internal Retaining Rings - 37x1.5x39 mm - Carbon Steel
41 units (205 pcs) Available Immediately | Further orders can be expected around Mon, Jun 09, 2025
Regular price $6.77 AUD
Regular price Sale price $6.77 AUD
Per 5
View the product page first if you are unsure.
Housing Bore (B)
37.00
mm

(1.457 in.)
Clip Thickness (T)
1.50
mm
+ 0.25 / - 0.00
(0.059 in.)
Groove Dia. (Dg)
39.00
mm
+ 0.00 / - 0.06
(1.535 in.)
Approx. Loose Circlip OD (Dr)
39.80
mm
+ 0.50 / - 0.25
Groove Width (W)
1.60
mm
+ 0.10 / - 0.00
Internal Retaining Rings - 37x1.5x39 mm - Stainless Steel Grade PH15-7 Mo
Material: Stainless Steel Grade PH15-7 Mo    Clearance in Bore (C): 25.40 mm    Clearance in Groove (C1): 28.00 mm   
Category: Retaining Rings - Internal - Circlips
Part Number: CCI-03700-S15 Internal Retaining Rings - 37x1.5x39 mm - Stainless Steel Grade PH15-7 Mo
10 Available Immediately | Further orders can be expected around Mon, Jun 09, 2025
Regular price $13.41 AUD
Regular price Sale price $13.41 AUD
Each
Housing Bore (B)
37.00
mm

(1.457 in.)
Clip Thickness (T)
1.50
mm
+ 0.25 / - 0.00
(0.059 in.)
Groove Dia. (Dg)
39.00
mm
+ 0.00 / - 0.06
(1.535 in.)
Approx. Loose Circlip OD (Dr)
39.80
mm
+ 0.50 / - 0.25
Internal Retaining Rings - 37x1.5x39 mm - Stainless Steel Grade PH15-7 Mo
Material: Stainless Steel Grade PH15-7 Mo    Groove Width (W): 1.60 mm + 0.10 / - 0.00   Clearance in Bore (C): 25.40 mm    Clearance in Groove (C1): 28.00 mm   
Category: Retaining Rings - Internal - Circlips
Part Number: CCI-03700-S15 Internal Retaining Rings - 37x1.5x39 mm - Stainless Steel Grade PH15-7 Mo
10 Available Immediately | Further orders can be expected around Mon, Jun 09, 2025
Regular price $13.41 AUD
Regular price Sale price $13.41 AUD
Each
View the product page first if you are unsure.
Housing Bore (B)
37.00
mm

(1.457 in.)
Clip Thickness (T)
1.75
mm
+ 0.25 / - 0.00
(0.069 in.)
Groove Dia. (Dg)
39.00
mm
+ 0.00 / - 0.06
(1.535 in.)
Approx. Loose Circlip OD (Dr)
39.80
mm
+ 0.50 / - 0.25
Groove Width (W)
1.85
mm
+ 0.10 / - 0.00
Internal Retaining Rings - 37x1.75x39 mm - Carbon Spring Steel Self Finish
Material: Carbon Spring Steel Self Finish   
Category: Retaining Rings - Internal - Circlips
Part Number: CCI-03700H-C Internal Retaining Rings - 37x1.75x39 mm - Carbon Spring Steel Self Finish
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Housing Bore (B)
37.00
mm

(1.457 in.)
Clip Thickness (T)
1.75
mm
+ 0.25 / - 0.00
(0.069 in.)
Groove Dia. (Dg)
39.00
mm
+ 0.00 / - 0.06
(1.535 in.)
Approx. Loose Circlip OD (Dr)
39.80
mm
+ 0.50 / - 0.25
Internal Retaining Rings - 37x1.75x39 mm - Carbon Spring Steel Self Finish
Material: Carbon Spring Steel Self Finish    Groove Width (W): 1.85 mm + 0.10 / - 0.00  
Category: Retaining Rings - Internal - Circlips
Part Number: CCI-03700H-C Internal Retaining Rings - 37x1.75x39 mm - Carbon Spring Steel Self Finish
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Housing Bore (B)
38.00
mm

(1.496 in.)
Clip Thickness (T)
1.50
mm
+ 0 / - 0.10
(0.059 in.)
Groove Dia. (Dg)
39.20
mm
+ 0.16 / - 0.00
(1.543 in.)
Approx. Loose Circlip OD (Dr)
39.80
mm
Radial Wall (S)
2.30
mm
+ 0 / - 0.10
Groove Width (W)
1.60
mm
Internal Retaining Rings - 38x1.5x39.2 mm - Spring Steel
Material: Spring Steel    Clearance in Groove (C1): 35.2 mm   
Category: Retaining Rings - Internal - Snap Rings
Part Number: WRI-0380-LS Internal Retaining Rings - 38x1.5x39.2 mm - Spring Steel
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Housing Bore (B)
38.00
mm

(1.496 in.)
Clip Thickness (T)
1.50
mm
+ 0 / - 0.10
(0.059 in.)
Groove Dia. (Dg)
39.20
mm
+ 0.16 / - 0.00
(1.543 in.)
Approx. Loose Circlip OD (Dr)
39.80
mm
Internal Retaining Rings - 38x1.5x39.2 mm - Spring Steel
Material: Spring Steel    Radial Wall (S): 2.30 mm + 0 / - 0.10    Groove Width (W): 1.60 mm    Clearance in Groove (C1): 35.2 mm   
Category: Retaining Rings - Internal - Snap Rings
Part Number: WRI-0380-LS Internal Retaining Rings - 38x1.5x39.2 mm - Spring Steel
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Housing Bore (B)
38.00
mm

(1.496 in.)
Clip Thickness (T)
1.50
mm
+ 0.25 / - 0.00
(0.059 in.)
Groove Dia. (Dg)
40.00
mm
+ 0.00 / - 0.06
(1.575 in.)
Approx. Loose Circlip OD (Dr)
40.80
mm
+ 0.50 / - 0.25
Groove Width (W)
1.60
mm
+ 0.10 / - 0.00
Internal Retaining Rings - 38x1.5x40 mm - Carbon Steel
Material: Carbon Steel    Clearance in Bore (C): 26.40 mm    Clearance in Groove (C1): 29.00 mm   
Category: Retaining Rings - Internal - Circlips
Part Number: CCI-03800-C (2 Pcs) Internal Retaining Rings - 38x1.5x40 mm - Carbon Steel
268 units (536 pcs) Available Immediately | Further orders can be expected around Thu, Jul 03, 2025
Regular price $4.14 AUD
Regular price Sale price $4.14 AUD
Per 2
Housing Bore (B)
38.00
mm

(1.496 in.)
Clip Thickness (T)
1.50
mm
+ 0.25 / - 0.00
(0.059 in.)
Groove Dia. (Dg)
40.00
mm
+ 0.00 / - 0.06
(1.575 in.)
Approx. Loose Circlip OD (Dr)
40.80
mm
+ 0.50 / - 0.25
Internal Retaining Rings - 38x1.5x40 mm - Carbon Steel
Material: Carbon Steel    Groove Width (W): 1.60 mm + 0.10 / - 0.00   Clearance in Bore (C): 26.40 mm    Clearance in Groove (C1): 29.00 mm   
Category: Retaining Rings - Internal - Circlips
Part Number: CCI-03800-C (2 Pcs) Internal Retaining Rings - 38x1.5x40 mm - Carbon Steel
268 units (536 pcs) Available Immediately | Further orders can be expected around Thu, Jul 03, 2025
Regular price $4.14 AUD
Regular price Sale price $4.14 AUD
Per 2
View the product page first if you are unsure.
Housing Bore (B)
38.00
mm

(1.496 in.)
Clip Thickness (T)
1.50
mm
+ 0.25 / - 0.00
(0.059 in.)
Groove Dia. (Dg)
40.00
mm
+ 0.00 / - 0.06
(1.575 in.)
Approx. Loose Circlip OD (Dr)
40.80
mm
+ 0.50 / - 0.25
Groove Width (W)
1.60
mm
+ 0.10 / - 0.00
Internal Retaining Rings - 38x1.5x40 mm - Stainless Steel Grade PH15-7 Mo
Material: Stainless Steel Grade PH15-7 Mo    Clearance in Bore (C): 26.40 mm    Clearance in Groove (C1): 29.00 mm   
Category: Retaining Rings - Internal - Circlips
Part Number: CCI-03800-S15 (2 Pcs) Internal Retaining Rings - 38x1.5x40 mm - Stainless Steel Grade PH15-7 Mo
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 09, 2025
Regular price $29.32 AUD
Regular price Sale price $29.32 AUD
Per 2
Housing Bore (B)
38.00
mm

(1.496 in.)
Clip Thickness (T)
1.50
mm
+ 0.25 / - 0.00
(0.059 in.)
Groove Dia. (Dg)
40.00
mm
+ 0.00 / - 0.06
(1.575 in.)
Approx. Loose Circlip OD (Dr)
40.80
mm
+ 0.50 / - 0.25
Internal Retaining Rings - 38x1.5x40 mm - Stainless Steel Grade PH15-7 Mo
Material: Stainless Steel Grade PH15-7 Mo    Groove Width (W): 1.60 mm + 0.10 / - 0.00   Clearance in Bore (C): 26.40 mm    Clearance in Groove (C1): 29.00 mm   
Category: Retaining Rings - Internal - Circlips
Part Number: CCI-03800-S15 (2 Pcs) Internal Retaining Rings - 38x1.5x40 mm - Stainless Steel Grade PH15-7 Mo
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 09, 2025
Regular price $29.32 AUD
Regular price Sale price $29.32 AUD
Per 2
View the product page first if you are unsure.
Housing Bore (B)
38.00
mm

(1.496 in.)
Clip Thickness (T)
1.50
mm
+ 0.25 / - 0.00
(0.059 in.)
Groove Dia. (Dg)
40.00
mm
+ 0.00 / - 0.06
(1.575 in.)
Approx. Loose Circlip OD (Dr)
40.80
mm
+ 0.50 / - 0.25
Radial Wall (S)
3.7 - 3.8
mm
Groove Width (W)
1.60
mm
Internal Retaining Rings - 38x1.5x40 mm - Carbon Steel
Material: Carbon Steel   
Category: Retaining Rings - Internal - Circlips
Part Number: CCI-03800-C-V (125 Pcs) Internal Retaining Rings - 38x1.5x40 mm - Carbon Steel
Out of Stock | Backorder Now | Orders can be expected around Sat, Aug 09, 2025
Regular price $400.68 AUD
Regular price Sale price $400.68 AUD
Per 125
Housing Bore (B)
38.00
mm

(1.496 in.)
Clip Thickness (T)
1.50
mm
+ 0.25 / - 0.00
(0.059 in.)
Groove Dia. (Dg)
40.00
mm
+ 0.00 / - 0.06
(1.575 in.)
Approx. Loose Circlip OD (Dr)
40.80
mm
+ 0.50 / - 0.25
Internal Retaining Rings - 38x1.5x40 mm - Carbon Steel
Material: Carbon Steel    Radial Wall (S): 3.7 - 3.8 mm    Groove Width (W): 1.60 mm   
Category: Retaining Rings - Internal - Circlips
Part Number: CCI-03800-C-V (125 Pcs) Internal Retaining Rings - 38x1.5x40 mm - Carbon Steel
Out of Stock | Backorder Now | Orders can be expected around Sat, Aug 09, 2025
Regular price $400.68 AUD
Regular price Sale price $400.68 AUD
Per 125
View the product page first if you are unsure.
Housing Bore (B)
38.00
mm

(1.496 in.)
Clip Thickness (T)
1.50
mm
+ 0.00 / - 0.25
(0.059 in.)
Groove Dia. (Dg)
40.25
mm
+ 0.00 / - 0.06
(1.585 in.)
Approx. Loose Circlip OD (Dr)
40.55
mm
Radial Wall (S)
3.80
mm
Groove Width (W)
1.60
mm
1148964 | DJK-038 --- Internal Retaining Rings - 38x1.5x40.25 mm - Spring Steel
Material: Spring Steel   
Category: Retaining Rings - Internal - Circlips
Part Number: DJK-038 Internal Retaining Rings - 38x1.5x40.25 mm - Spring Steel
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Housing Bore (B)
38.00
mm

(1.496 in.)
Clip Thickness (T)
1.50
mm
+ 0.00 / - 0.25
(0.059 in.)
Groove Dia. (Dg)
40.25
mm
+ 0.00 / - 0.06
(1.585 in.)
Approx. Loose Circlip OD (Dr)
40.55
mm
1148964 | DJK-038 --- Internal Retaining Rings - 38x1.5x40.25 mm - Spring Steel
Material: Spring Steel    Radial Wall (S): 3.80 mm    Groove Width (W): 1.60 mm   
Category: Retaining Rings - Internal - Circlips
Part Number: DJK-038 Internal Retaining Rings - 38x1.5x40.25 mm - Spring Steel
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Housing Bore (B)
38.00
mm

(1.496 in.)
Clip Thickness (T)
1.75
mm
+ 0.25 / - 0.00
(0.069 in.)
Groove Dia. (Dg)
40.00
mm
+ 0.00 / - 0.06
(1.575 in.)
Approx. Loose Circlip OD (Dr)
40.80
mm
+ 0.50 / - 0.25
Groove Width (W)
1.85
mm
+ 0.10 / - 0.00
Internal Retaining Rings - 38x1.75x40 mm - Carbon Spring Steel Self Finish
Material: Carbon Spring Steel Self Finish   
Category: Retaining Rings - Internal - Circlips
Part Number: CCI-03800H-C Internal Retaining Rings - 38x1.75x40 mm - Carbon Spring Steel Self Finish
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Housing Bore (B)
38.00
mm

(1.496 in.)
Clip Thickness (T)
1.75
mm
+ 0.25 / - 0.00
(0.069 in.)
Groove Dia. (Dg)
40.00
mm
+ 0.00 / - 0.06
(1.575 in.)
Approx. Loose Circlip OD (Dr)
40.80
mm
+ 0.50 / - 0.25
Internal Retaining Rings - 38x1.75x40 mm - Carbon Spring Steel Self Finish
Material: Carbon Spring Steel Self Finish    Groove Width (W): 1.85 mm + 0.10 / - 0.00  
Category: Retaining Rings - Internal - Circlips
Part Number: CCI-03800H-C Internal Retaining Rings - 38x1.75x40 mm - Carbon Spring Steel Self Finish
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Housing Bore (B)
38.00
mm

(1.496 in.)
Clip Thickness (T)
2.5
mm
B DIN 2076
(0.098 in.)
Groove Dia. (Dg)
40.50
mm
+ 0.6 / - 0.0
(1.594 in.)
Approx. Loose Circlip OD (Dr)
40.90
mm
Groove Width (W)
2.80
mm
Internal Retaining Rings - 38x2.5x40.5 mm - Spring Steel
Material: Spring Steel    Clearance in Bore (C): 35.9 mm   
Category: Retaining Rings - Internal - Round Wire
Part Number: WRI-0380-RD Internal Retaining Rings - 38x2.5x40.5 mm - Spring Steel
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Housing Bore (B)
38.00
mm

(1.496 in.)
Clip Thickness (T)
2.5
mm
B DIN 2076
(0.098 in.)
Groove Dia. (Dg)
40.50
mm
+ 0.6 / - 0.0
(1.594 in.)
Approx. Loose Circlip OD (Dr)
40.90
mm
Internal Retaining Rings - 38x2.5x40.5 mm - Spring Steel
Material: Spring Steel    Groove Width (W): 2.80 mm    Clearance in Bore (C): 35.9 mm   
Category: Retaining Rings - Internal - Round Wire
Part Number: WRI-0380-RD Internal Retaining Rings - 38x2.5x40.5 mm - Spring Steel
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Housing Bore (B)
38.10
mm

(1.5 in.)
Clip Thickness (T)
1.07
mm
+/- 0.06
(0.042 in.)
Groove Dia. (Dg)
40.13
mm
+/- 0.13
(1.58 in.)
Approx. Loose Circlip OD (Dr)
40.64
mm
+ 0.79 / - 0.00
Radial Wall (S)
3.18
mm
+/- 0.13
Groove Width (W)
1.17
mm
Internal Retaining Rings - 38.1x1.07x40.13 mm - Spring Steel
Material: Spring Steel    Clearance in Groove (C1): 34.28 mm   
Category: Retaining Rings - Internal - Snap Rings
Part Number: WRI-0381-LS-O Internal Retaining Rings - 38.1x1.07x40.13 mm - Spring Steel
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Housing Bore (B)
38.10
mm

(1.5 in.)
Clip Thickness (T)
1.07
mm
+/- 0.06
(0.042 in.)
Groove Dia. (Dg)
40.13
mm
+/- 0.13
(1.58 in.)
Approx. Loose Circlip OD (Dr)
40.64
mm
+ 0.79 / - 0.00
Internal Retaining Rings - 38.1x1.07x40.13 mm - Spring Steel
Material: Spring Steel    Radial Wall (S): 3.18 mm +/- 0.13    Groove Width (W): 1.17 mm    Clearance in Groove (C1): 34.28 mm   
Category: Retaining Rings - Internal - Snap Rings
Part Number: WRI-0381-LS-O Internal Retaining Rings - 38.1x1.07x40.13 mm - Spring Steel
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Housing Bore (B)
38.10
mm

(1.5 in.)
Clip Thickness (T)
1.19
mm
+ 0.10 / - 0.00
(0.047 in.)
Groove Dia. (Dg)
40.74
mm
+/- 0.08
(1.604 in.)
Approx. Loose Circlip OD (Dr)
41.81
mm
+ 1.14 / - 0.00
Radial Wall (S)
1.68 - 3.38
mm
Groove Width (W)
1.02
mm
+ 0.03 / - 0.00
Internal Retaining Rings - 38.1x1.19x40.74 mm - Carbon Steel
Material: Carbon Steel   
Category: Retaining Rings - Internal - Circlips
Part Number: CIB-03810-C (32 Pcs) Internal Retaining Rings - 38.1x1.19x40.74 mm - Carbon Steel
Out of Stock | Backorder Now | Orders can be expected around Sat, Aug 09, 2025
Regular price $124.23 AUD
Regular price Sale price $124.23 AUD
Per 32
Housing Bore (B)
38.10
mm

(1.5 in.)
Clip Thickness (T)
1.19
mm
+ 0.10 / - 0.00
(0.047 in.)
Groove Dia. (Dg)
40.74
mm
+/- 0.08
(1.604 in.)
Approx. Loose Circlip OD (Dr)
41.81
mm
+ 1.14 / - 0.00
Internal Retaining Rings - 38.1x1.19x40.74 mm - Carbon Steel
Material: Carbon Steel    Radial Wall (S): 1.68 - 3.38 mm    Groove Width (W): 1.02 mm + 0.03 / - 0.00  
Category: Retaining Rings - Internal - Circlips
Part Number: CIB-03810-C (32 Pcs) Internal Retaining Rings - 38.1x1.19x40.74 mm - Carbon Steel
Out of Stock | Backorder Now | Orders can be expected around Sat, Aug 09, 2025
Regular price $124.23 AUD
Regular price Sale price $124.23 AUD
Per 32
View the product page first if you are unsure.
Housing Bore (B)
38.10
mm

(1.5 in.)
Clip Thickness (T)
1.27
mm
+/- 0.05
(0.05 in.)
Groove Dia. (Dg)
40.13
mm

(1.58 in.)
Approx. Loose Circlip OD (Dr)
40.46
mm
+ 0.38 / - 0.00
Radial Wall (S)
2.74
mm
+/- 0.10
Groove Width (W)
1.47
mm
+/- 0.10
Internal Retaining Rings - 38.1x1.27x40.13 mm - Spring Steel
Material: Spring Steel    Clearance in Groove (C1): 34.98 mm +/- 0.05  
Category: Retaining Rings - Internal - Spiral Rings
Part Number: RRT-150 Internal Retaining Rings - 38.1x1.27x40.13 mm - Spring Steel
31 Available Immediately | Further orders can be expected around Mon, Jun 09, 2025
Regular price $4.32 AUD
Regular price Sale price $4.32 AUD
Each
Housing Bore (B)
38.10
mm

(1.5 in.)
Clip Thickness (T)
1.27
mm
+/- 0.05
(0.05 in.)
Groove Dia. (Dg)
40.13
mm

(1.58 in.)
Approx. Loose Circlip OD (Dr)
40.46
mm
+ 0.38 / - 0.00
Internal Retaining Rings - 38.1x1.27x40.13 mm - Spring Steel
Material: Spring Steel    Radial Wall (S): 2.74 mm +/- 0.10    Groove Width (W): 1.47 mm +/- 0.10   Clearance in Groove (C1): 34.98 mm +/- 0.05  
Category: Retaining Rings - Internal - Spiral Rings
Part Number: RRT-150 Internal Retaining Rings - 38.1x1.27x40.13 mm - Spring Steel
31 Available Immediately | Further orders can be expected around Mon, Jun 09, 2025
Regular price $4.32 AUD
Regular price Sale price $4.32 AUD
Each
View the product page first if you are unsure.
Housing Bore (B)
38.10
mm

(1.5 in.)
Clip Thickness (T)
1.27
mm
+/- 0.05
(0.05 in.)
Groove Dia. (Dg)
40.49
mm

(1.594 in.)
Approx. Loose Circlip OD (Dr)
40.65
mm
+ 0.33 / - 0.00
Radial Wall (S)
3.00
mm
+/- 0.10
Groove Width (W)
1.47
mm
+/- 0.10
Internal Retaining Rings - 38.1x1.27x40.49 mm - Spring Steel
Material: Spring Steel    Clearance in Groove (C1): 34.65 mm +/- 0.05  
Category: Retaining Rings - Internal - Spiral Rings
Part Number: RRN-150 (7 Pcs) Internal Retaining Rings - 38.1x1.27x40.49 mm - Spring Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 09, 2025
Regular price $12.59 AUD
Regular price Sale price $12.59 AUD
Per 7
Housing Bore (B)
38.10
mm

(1.5 in.)
Clip Thickness (T)
1.27
mm
+/- 0.05
(0.05 in.)
Groove Dia. (Dg)
40.49
mm

(1.594 in.)
Approx. Loose Circlip OD (Dr)
40.65
mm
+ 0.33 / - 0.00
Internal Retaining Rings - 38.1x1.27x40.49 mm - Spring Steel
Material: Spring Steel    Radial Wall (S): 3.00 mm +/- 0.10    Groove Width (W): 1.47 mm +/- 0.10   Clearance in Groove (C1): 34.65 mm +/- 0.05  
Category: Retaining Rings - Internal - Spiral Rings
Part Number: RRN-150 (7 Pcs) Internal Retaining Rings - 38.1x1.27x40.49 mm - Spring Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 09, 2025
Regular price $12.59 AUD
Regular price Sale price $12.59 AUD
Per 7
View the product page first if you are unsure.
Housing Bore (B)
38.10
mm

(1.5 in.)
Clip Thickness (T)
1.27
mm
+/- 0.102
(0.05 in.)
Groove Dia. (Dg)
40.49
mm
+ 0.00 / - 0.06
(1.594 in.)
Approx. Loose Circlip OD (Dr)
42.16
mm
+ 0.64 / - 0.38
Groove Width (W)
1.42
mm
+ 0.10 / - 0.00
Internal Retaining Rings - 38.1x1.27x40.49 mm - Carbon Steel
Material: Carbon Steel    Clearance in Bore (C): 28.70 mm    Clearance in Groove (C1): 30.99 mm   
Category: Retaining Rings - Internal - Circlips
Part Number: CCI-03810-C (50 Pcs) Internal Retaining Rings - 38.1x1.27x40.49 mm - Carbon Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 09, 2025
Regular price $90.95 AUD
Regular price Sale price $90.95 AUD
Per 50
Housing Bore (B)
38.10
mm

(1.5 in.)
Clip Thickness (T)
1.27
mm
+/- 0.102
(0.05 in.)
Groove Dia. (Dg)
40.49
mm
+ 0.00 / - 0.06
(1.594 in.)
Approx. Loose Circlip OD (Dr)
42.16
mm
+ 0.64 / - 0.38
Internal Retaining Rings - 38.1x1.27x40.49 mm - Carbon Steel
Material: Carbon Steel    Groove Width (W): 1.42 mm + 0.10 / - 0.00   Clearance in Bore (C): 28.70 mm    Clearance in Groove (C1): 30.99 mm   
Category: Retaining Rings - Internal - Circlips
Part Number: CCI-03810-C (50 Pcs) Internal Retaining Rings - 38.1x1.27x40.49 mm - Carbon Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 09, 2025
Regular price $90.95 AUD
Regular price Sale price $90.95 AUD
Per 50
View the product page first if you are unsure.
Housing Bore (B)
38.10
mm

(1.5 in.)
Clip Thickness (T)
1.27
mm
+/- 0.102
(0.05 in.)
Groove Dia. (Dg)
40.49
mm
+ 0.00 / - 0.06
(1.594 in.)
Approx. Loose Circlip OD (Dr)
42.16
mm
+ 0.64 / - 0.38
Groove Width (W)
1.42
mm
+ 0.10 / - 0.00
Internal Retaining Rings - 38.1x1.27x40.49 mm - Stainless Steel Grade PH15-7 Mo
Material: Stainless Steel Grade PH15-7 Mo    Clearance in Bore (C): 28.70 mm    Clearance in Groove (C1): 30.99 mm   
Category: Retaining Rings - Internal - Circlips
Part Number: CCI-03810-S15 (2 Pcs) Internal Retaining Rings - 38.1x1.27x40.49 mm - Stainless Steel Grade PH15-7 Mo
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 09, 2025
Regular price $27.68 AUD
Regular price Sale price $27.68 AUD
Per 2
Housing Bore (B)
38.10
mm

(1.5 in.)
Clip Thickness (T)
1.27
mm
+/- 0.102
(0.05 in.)
Groove Dia. (Dg)
40.49
mm
+ 0.00 / - 0.06
(1.594 in.)
Approx. Loose Circlip OD (Dr)
42.16
mm
+ 0.64 / - 0.38
Internal Retaining Rings - 38.1x1.27x40.49 mm - Stainless Steel Grade PH15-7 Mo
Material: Stainless Steel Grade PH15-7 Mo    Groove Width (W): 1.42 mm + 0.10 / - 0.00   Clearance in Bore (C): 28.70 mm    Clearance in Groove (C1): 30.99 mm   
Category: Retaining Rings - Internal - Circlips
Part Number: CCI-03810-S15 (2 Pcs) Internal Retaining Rings - 38.1x1.27x40.49 mm - Stainless Steel Grade PH15-7 Mo
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 09, 2025
Regular price $27.68 AUD
Regular price Sale price $27.68 AUD
Per 2
View the product page first if you are unsure.
Housing Bore (B)
38.10
mm

(1.5 in.)
Clip Thickness (T)
1.27
mm
+/- 0.102
(0.05 in.)
Groove Dia. (Dg)
40.49
mm
+ 0.00 / - 0.06
(1.594 in.)
Approx. Loose Circlip OD (Dr)
42.16
mm
+ 0.64 / - 0.38
Groove Width (W)
1.42
mm
+ 0.10 / - 0.00
Internal Retaining Rings - 38.1x1.27x40.49 mm - Carbon Steel Zinc Plated
Material: Carbon Steel Zinc Plated    Clearance in Bore (C): 28.70 mm    Clearance in Groove (C1): 30.99 mm   
Category: Retaining Rings - Internal - Circlips
Part Number: CCI-03810-CZY (7 Pcs) Internal Retaining Rings - 38.1x1.27x40.49 mm - Carbon Steel Zinc Plated
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 09, 2025
Regular price $20.23 AUD
Regular price Sale price $20.23 AUD
Per 7
Housing Bore (B)
38.10
mm

(1.5 in.)
Clip Thickness (T)
1.27
mm
+/- 0.102
(0.05 in.)
Groove Dia. (Dg)
40.49
mm
+ 0.00 / - 0.06
(1.594 in.)
Approx. Loose Circlip OD (Dr)
42.16
mm
+ 0.64 / - 0.38
Internal Retaining Rings - 38.1x1.27x40.49 mm - Carbon Steel Zinc Plated
Material: Carbon Steel Zinc Plated    Groove Width (W): 1.42 mm + 0.10 / - 0.00   Clearance in Bore (C): 28.70 mm    Clearance in Groove (C1): 30.99 mm   
Category: Retaining Rings - Internal - Circlips
Part Number: CCI-03810-CZY (7 Pcs) Internal Retaining Rings - 38.1x1.27x40.49 mm - Carbon Steel Zinc Plated
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 09, 2025
Regular price $20.23 AUD
Regular price Sale price $20.23 AUD
Per 7
View the product page first if you are unsure.
Housing Bore (B)
38.10
mm

(1.5 in.)
Clip Thickness (T)
1.27
mm
+/- 0.102
(0.05 in.)
Groove Dia. (Dg)
40.49
mm
+/- 0.052
(1.594 in.)
Approx. Loose Circlip OD (Dr)
42.16
mm
Radial Wall (S)
1.78 - 3.76
mm
Groove Width (W)
1.42
mm
Internal Retaining Rings - 38.1x1.27x40.49 mm - Carbon Steel
Material: Carbon Steel   
Category: Retaining Rings - Internal - Circlips
Part Number: CCI-03810-C-V (7 Pcs) Internal Retaining Rings - 38.1x1.27x40.49 mm - Carbon Steel
6 units (42 pcs) Available Immediately | Further orders can be expected around Mon, Jun 09, 2025
Regular price $21.59 AUD
Regular price Sale price $21.59 AUD
Per 7
Housing Bore (B)
38.10
mm

(1.5 in.)
Clip Thickness (T)
1.27
mm
+/- 0.102
(0.05 in.)
Groove Dia. (Dg)
40.49
mm
+/- 0.052
(1.594 in.)
Approx. Loose Circlip OD (Dr)
42.16
mm
Internal Retaining Rings - 38.1x1.27x40.49 mm - Carbon Steel
Material: Carbon Steel    Radial Wall (S): 1.78 - 3.76 mm    Groove Width (W): 1.42 mm   
Category: Retaining Rings - Internal - Circlips
Part Number: CCI-03810-C-V (7 Pcs) Internal Retaining Rings - 38.1x1.27x40.49 mm - Carbon Steel
6 units (42 pcs) Available Immediately | Further orders can be expected around Mon, Jun 09, 2025
Regular price $21.59 AUD
Regular price Sale price $21.59 AUD
Per 7
View the product page first if you are unsure.
Housing Bore (B)
39.00
mm

(1.535 in.)
Clip Thickness (T)
1.50
mm
+ 0 / - 0.10
(0.059 in.)
Groove Dia. (Dg)
40.20
mm
+ 0.16 / - 0.00
(1.583 in.)
Approx. Loose Circlip OD (Dr)
40.80
mm
Radial Wall (S)
2.30
mm
+ 0 / - 0.10
Groove Width (W)
1.60
mm
Internal Retaining Rings - 39x1.5x40.2 mm - Spring Steel
Material: Spring Steel    Clearance in Groove (C1): 36.2 mm   
Category: Retaining Rings - Internal - Snap Rings
Part Number: WRI-0390-LS Internal Retaining Rings - 39x1.5x40.2 mm - Spring Steel
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Housing Bore (B)
39.00
mm

(1.535 in.)
Clip Thickness (T)
1.50
mm
+ 0 / - 0.10
(0.059 in.)
Groove Dia. (Dg)
40.20
mm
+ 0.16 / - 0.00
(1.583 in.)
Approx. Loose Circlip OD (Dr)
40.80
mm
Internal Retaining Rings - 39x1.5x40.2 mm - Spring Steel
Material: Spring Steel    Radial Wall (S): 2.30 mm + 0 / - 0.10    Groove Width (W): 1.60 mm    Clearance in Groove (C1): 36.2 mm   
Category: Retaining Rings - Internal - Snap Rings
Part Number: WRI-0390-LS Internal Retaining Rings - 39x1.5x40.2 mm - Spring Steel
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Housing Bore (B)
39.00
mm

(1.535 in.)
Clip Thickness (T)
1.50
mm
+ 0.25 / - 0.00
(0.059 in.)
Groove Dia. (Dg)
41.00
mm
+ 0.00 / - 0.06
(1.614 in.)
Approx. Loose Circlip OD (Dr)
42.00
mm
+ 0.90 / - 0.39
Groove Width (W)
1.60
mm
+ 0.10 / - 0.00
Internal Retaining Rings - 39x1.5x41 mm - Carbon Steel
Material: Carbon Steel    Clearance in Bore (C): 27.40 mm    Clearance in Groove (C1): 30.00 mm   
Category: Retaining Rings - Internal - Circlips
Part Number: CCI-03900-C (250 Pcs) Internal Retaining Rings - 39x1.5x41 mm - Carbon Steel
Out of Stock | Backorder Now | Orders can be expected around Sat, Aug 09, 2025
Regular price $327.77 AUD
Regular price Sale price $327.77 AUD
Per 250
Housing Bore (B)
39.00
mm

(1.535 in.)
Clip Thickness (T)
1.50
mm
+ 0.25 / - 0.00
(0.059 in.)
Groove Dia. (Dg)
41.00
mm
+ 0.00 / - 0.06
(1.614 in.)
Approx. Loose Circlip OD (Dr)
42.00
mm
+ 0.90 / - 0.39
Internal Retaining Rings - 39x1.5x41 mm - Carbon Steel
Material: Carbon Steel    Groove Width (W): 1.60 mm + 0.10 / - 0.00   Clearance in Bore (C): 27.40 mm    Clearance in Groove (C1): 30.00 mm   
Category: Retaining Rings - Internal - Circlips
Part Number: CCI-03900-C (250 Pcs) Internal Retaining Rings - 39x1.5x41 mm - Carbon Steel
Out of Stock | Backorder Now | Orders can be expected around Sat, Aug 09, 2025
Regular price $327.77 AUD
Regular price Sale price $327.77 AUD
Per 250
View the product page first if you are unsure.