Collection: O-Rings - General Purpose

O-Rings -> General Purpose
Inside Diameter (ID) Section (t) Colour Hardness Indicative
Image
Inside Diameter (ID)
37.00
mm

(Equiv. 1.457 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37x3 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-03700-300-N70 (600 Pcs)
General Purpose O-Rings - 37x3 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Dec 12, 2025
Regular price $251.50 AUD
Regular price Sale price $251.50 AUD
600 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID) Section (t) Colour Hardness Indicative
Image
Inside Diameter (ID)
37.00
mm

(Equiv. 1.457 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37x3 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-03700-300-N70 (600 Pcs)
General Purpose O-Rings - 37x3 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Dec 12, 2025
Regular price $251.50 AUD
Regular price Sale price $251.50 AUD
600 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
37.00
mm

(Equiv. 1.457 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37x3.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-03700-350-N70 (600 Pcs)
General Purpose O-Rings - 37x3.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Dec 12, 2025
Regular price $559.41 AUD
Regular price Sale price $559.41 AUD
600 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
37.00
mm

(Equiv. 1.457 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37x3.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-03700-350-N70 (600 Pcs)
General Purpose O-Rings - 37x3.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Dec 12, 2025
Regular price $559.41 AUD
Regular price Sale price $559.41 AUD
600 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
37.00
mm

(Equiv. 1.457 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37x4 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-03700-400-N70 (500 Pcs)
General Purpose O-Rings - 37x4 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Dec 12, 2025
Regular price $498.68 AUD
Regular price Sale price $498.68 AUD
500 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
37.00
mm

(Equiv. 1.457 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37x4 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-03700-400-N70 (500 Pcs)
General Purpose O-Rings - 37x4 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Dec 12, 2025
Regular price $498.68 AUD
Regular price Sale price $498.68 AUD
500 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
37.00
mm

(Equiv. 1.457 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37x5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-03700-500-N70 (400 Pcs)
General Purpose O-Rings - 37x5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Dec 12, 2025
Regular price $455.59 AUD
Regular price Sale price $455.59 AUD
400 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
37.00
mm

(Equiv. 1.457 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37x5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-03700-500-N70 (400 Pcs)
General Purpose O-Rings - 37x5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Dec 12, 2025
Regular price $455.59 AUD
Regular price Sale price $455.59 AUD
400 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
37.00
mm

(Equiv. 1.457 in.)
Section (t)
4.50
mm

(Equiv. 0.177 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37x4.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-03700-450-N70
General Purpose O-Rings - 37x4.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Contact Us | Special Order Only - Please contact us if you need a large quantity
Inside Diameter (ID)
37.00
mm

(Equiv. 1.457 in.)
Section (t)
4.50
mm

(Equiv. 0.177 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37x4.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-03700-450-N70
General Purpose O-Rings - 37x4.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Sat, Jul 08, 2028
Inside Diameter (ID)
37.00
mm

(Equiv. 1.457 in.)
Section (t)
6.00
mm

(Equiv. 0.236 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37x6 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-03700-600-N70
General Purpose O-Rings - 37x6 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Contact Us | Special Order Only - Please contact us if you need a large quantity
Inside Diameter (ID)
37.00
mm

(Equiv. 1.457 in.)
Section (t)
6.00
mm

(Equiv. 0.236 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37x6 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-03700-600-N70
General Purpose O-Rings - 37x6 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Sat, Jul 08, 2028
Inside Diameter (ID)
37.10
mm

(Equiv. 1.461 in.)
Section (t)
1.60
mm

(Equiv. 0.063 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37.1x1.6 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-03710-160-N70 (20 Pcs)
General Purpose O-Rings - 37.1x1.6 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
19 units (380 pcs) Available Now | Further orders can be expected around Fri, Dec 12, 2025
Regular price $5.68 AUD
Regular price Sale price $5.68 AUD
20 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

19 units (380 pcs) Available Now. Backorder if more than 19.
Inside Diameter (ID)
37.10
mm

(Equiv. 1.461 in.)
Section (t)
1.60
mm

(Equiv. 0.063 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37.1x1.6 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-03710-160-N70 (20 Pcs)
General Purpose O-Rings - 37.1x1.6 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
19 units (380 pcs) Available Now | Further orders can be expected around Fri, Dec 12, 2025
Regular price $5.68 AUD
Regular price Sale price $5.68 AUD
20 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

19 units (380 pcs) Available Now. Backorder if more than 19.
Inside Diameter (ID)
37.30
mm

(Equiv. 1.469 in.)
Section (t)
3.60
mm

(Equiv. 0.142 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37.3x3.6 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-03730-360-N70
General Purpose O-Rings - 37.3x3.6 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Contact Us | Special Order Only - Please contact us if you need a large quantity
Inside Diameter (ID)
37.30
mm

(Equiv. 1.469 in.)
Section (t)
3.60
mm

(Equiv. 0.142 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37.3x3.6 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-03730-360-N70
General Purpose O-Rings - 37.3x3.6 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Sat, Jul 08, 2028
Inside Diameter (ID)
37.47
mm

(Equiv. 1.475 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37.47x3 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-03747-300-N70-920 (200 Pcs)
General Purpose O-Rings - 37.47x3 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Dec 12, 2025
Regular price $302.23 AUD
Regular price Sale price $302.23 AUD
200 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
37.47
mm

(Equiv. 1.475 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37.47x3 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-03747-300-N70-920 (200 Pcs)
General Purpose O-Rings - 37.47x3 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Dec 12, 2025
Regular price $302.23 AUD
Regular price Sale price $302.23 AUD
200 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
37.47
mm

(Equiv. 1.475 in.)
Section (t)
5.33
mm

(Equiv. 0.21 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37.47x5.33 mm - Black - Neoprene Rubber
Material: Neoprene Rubber   
Category: O-Rings - General Purpose - Neoprene Rubber
Part Number: OR-03747-533-CR70-325
General Purpose O-Rings - 37.47x5.33 mm - Black - Neoprene Rubber O-Ring
Contact Us | Special Order Only - Please contact us if you need a large quantity
Inside Diameter (ID)
37.47
mm

(Equiv. 1.475 in.)
Section (t)
5.33
mm

(Equiv. 0.21 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37.47x5.33 mm - Black - Neoprene Rubber
Material: Neoprene Rubber   
Category: O-Rings - General Purpose - Neoprene Rubber
Part Number: OR-03747-533-CR70-325
General Purpose O-Rings - 37.47x5.33 mm - Black - Neoprene Rubber O-Ring
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Sat, Jul 08, 2028
Inside Diameter (ID)
37.47
mm

(Equiv. 1.475 in.)
Section (t)
5.33
mm

(Equiv. 0.21 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37.47x5.33 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-03747-533-N70-325 (5 Pcs)
General Purpose O-Rings - 37.47x5.33 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
10 units (50 pcs) Available Now | Further orders can be expected around Fri, Dec 12, 2025
Regular price $1.05 AUD
Regular price $6.80 AUD Sale price $1.05 AUD
5 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

10 units (50 pcs) Available Now. Backorder if more than 10.
Inside Diameter (ID)
37.47
mm

(Equiv. 1.475 in.)
Section (t)
5.33
mm

(Equiv. 0.21 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37.47x5.33 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-03747-533-N70-325 (5 Pcs)
General Purpose O-Rings - 37.47x5.33 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
10 units (50 pcs) Available Now | Further orders can be expected around Fri, Dec 12, 2025
Regular price $1.05 AUD
Regular price $6.80 AUD Sale price $1.05 AUD
5 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

10 units (50 pcs) Available Now. Backorder if more than 10.
Inside Diameter (ID)
37.47
mm

(Equiv. 1.475 in.)
Section (t)
5.33
mm

(Equiv. 0.21 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 37.47x5.33 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-03747-533-N90-325 (100 Pcs)
General Purpose O-Rings - 37.47x5.33 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Dec 12, 2025
Regular price $181.86 AUD
Regular price Sale price $181.86 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
37.47
mm

(Equiv. 1.475 in.)
Section (t)
5.33
mm

(Equiv. 0.21 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 37.47x5.33 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-03747-533-N90-325 (100 Pcs)
General Purpose O-Rings - 37.47x5.33 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Dec 12, 2025
Regular price $181.86 AUD
Regular price Sale price $181.86 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
37.50
mm

(Equiv. 1.476 in.)
Section (t)
2.00
mm

(Equiv. 0.079 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37.5x2 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-03750-200-N70 (800 Pcs)
General Purpose O-Rings - 37.5x2 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Dec 12, 2025
Regular price $660.95 AUD
Regular price Sale price $660.95 AUD
800 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
37.50
mm

(Equiv. 1.476 in.)
Section (t)
2.00
mm

(Equiv. 0.079 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37.5x2 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-03750-200-N70 (800 Pcs)
General Purpose O-Rings - 37.5x2 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Dec 12, 2025
Regular price $660.95 AUD
Regular price Sale price $660.95 AUD
800 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
37.50
mm

(Equiv. 1.476 in.)
Section (t)
2.65
mm

(Equiv. 0.104 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37.5x2.65 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-03750-265-N70 (700 Pcs)
General Purpose O-Rings - 37.5x2.65 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Dec 12, 2025
Regular price $611.32 AUD
Regular price Sale price $611.32 AUD
700 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
37.50
mm

(Equiv. 1.476 in.)
Section (t)
2.65
mm

(Equiv. 0.104 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37.5x2.65 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-03750-265-N70 (700 Pcs)
General Purpose O-Rings - 37.5x2.65 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Dec 12, 2025
Regular price $611.32 AUD
Regular price Sale price $611.32 AUD
700 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
37.50
mm

(Equiv. 1.476 in.)
Section (t)
1.50
mm

(Equiv. 0.059 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37.5x1.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-03750-150-N70
General Purpose O-Rings - 37.5x1.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Contact Us | Special Order Only - Please contact us if you need a large quantity
Inside Diameter (ID)
37.50
mm

(Equiv. 1.476 in.)
Section (t)
1.50
mm

(Equiv. 0.059 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37.5x1.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-03750-150-N70
General Purpose O-Rings - 37.5x1.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Sat, Jul 08, 2028
Inside Diameter (ID)
37.50
mm

(Equiv. 1.476 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37.5x3 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-03750-300-N70 (600 Pcs)
General Purpose O-Rings - 37.5x3 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Dec 12, 2025
Regular price $538.23 AUD
Regular price Sale price $538.23 AUD
600 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
37.50
mm

(Equiv. 1.476 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37.5x3 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-03750-300-N70 (600 Pcs)
General Purpose O-Rings - 37.5x3 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Dec 12, 2025
Regular price $538.23 AUD
Regular price Sale price $538.23 AUD
600 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
37.50
mm

(Equiv. 1.476 in.)
Section (t)
3.55
mm

(Equiv. 0.14 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37.5x3.55 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-03750-355-N70 (600 Pcs)
General Purpose O-Rings - 37.5x3.55 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Dec 12, 2025
Regular price $562.95 AUD
Regular price Sale price $562.95 AUD
600 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
37.50
mm

(Equiv. 1.476 in.)
Section (t)
3.55
mm

(Equiv. 0.14 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37.5x3.55 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-03750-355-N70 (600 Pcs)
General Purpose O-Rings - 37.5x3.55 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Dec 12, 2025
Regular price $562.95 AUD
Regular price Sale price $562.95 AUD
600 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
37.50
mm

(Equiv. 1.476 in.)
Section (t)
2.50
mm

(Equiv. 0.098 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37.5x2.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-03750-250-N70
General Purpose O-Rings - 37.5x2.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Contact Us | Special Order Only - Please contact us if you need a large quantity
Inside Diameter (ID)
37.50
mm

(Equiv. 1.476 in.)
Section (t)
2.50
mm

(Equiv. 0.098 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37.5x2.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-03750-250-N70
General Purpose O-Rings - 37.5x2.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Sat, Jul 08, 2028
Inside Diameter (ID)
37.50
mm

(Equiv. 1.476 in.)
Section (t)
4.50
mm

(Equiv. 0.177 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37.5x4.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-03750-450-N70
General Purpose O-Rings - 37.5x4.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Contact Us | Special Order Only - Please contact us if you need a large quantity
Inside Diameter (ID)
37.50
mm

(Equiv. 1.476 in.)
Section (t)
4.50
mm

(Equiv. 0.177 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37.5x4.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-03750-450-N70
General Purpose O-Rings - 37.5x4.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Sat, Jul 08, 2028
Inside Diameter (ID)
37.69
mm

(Equiv. 1.484 in.)
Section (t)
3.53
mm

(Equiv. 0.139 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37.69x3.53 mm - Black - Neoprene Rubber
Material: Neoprene Rubber   
Category: O-Rings - General Purpose - Neoprene Rubber
Part Number: OR-03769-353-CR70-222
General Purpose O-Rings - 37.69x3.53 mm - Black - Neoprene Rubber O-Ring
Contact Us | Special Order Only - Please contact us if you need a large quantity
Inside Diameter (ID)
37.69
mm

(Equiv. 1.484 in.)
Section (t)
3.53
mm

(Equiv. 0.139 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37.69x3.53 mm - Black - Neoprene Rubber
Material: Neoprene Rubber   
Category: O-Rings - General Purpose - Neoprene Rubber
Part Number: OR-03769-353-CR70-222
General Purpose O-Rings - 37.69x3.53 mm - Black - Neoprene Rubber O-Ring
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Sat, Jul 08, 2028
Inside Diameter (ID)
37.69
mm

(Equiv. 1.484 in.)
Section (t)
3.53
mm

(Equiv. 0.139 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37.69x3.53 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-03769-353-N70-222 (10 Pcs)
General Purpose O-Rings - 37.69x3.53 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
24 units (240 pcs) Available Now | Further orders can be expected around Fri, Nov 21, 2025
Regular price $7.05 AUD
Regular price Sale price $7.05 AUD
10 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

24 units (240 pcs) Available Now. Backorder if more than 24.
Inside Diameter (ID)
37.69
mm

(Equiv. 1.484 in.)
Section (t)
3.53
mm

(Equiv. 0.139 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37.69x3.53 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-03769-353-N70-222 (10 Pcs)
General Purpose O-Rings - 37.69x3.53 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
24 units (240 pcs) Available Now | Further orders can be expected around Fri, Nov 21, 2025
Regular price $7.05 AUD
Regular price Sale price $7.05 AUD
10 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

24 units (240 pcs) Available Now. Backorder if more than 24.
Inside Diameter (ID)
37.60
mm

(Equiv. 1.48 in.)
Section (t)
2.40
mm

(Equiv. 0.094 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37.6x2.4 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-03760-240-N70
General Purpose O-Rings - 37.6x2.4 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Contact Us | Special Order Only - Please contact us if you need a large quantity
Inside Diameter (ID)
37.60
mm

(Equiv. 1.48 in.)
Section (t)
2.40
mm

(Equiv. 0.094 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37.6x2.4 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-03760-240-N70
General Purpose O-Rings - 37.6x2.4 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Sat, Jul 08, 2028
Inside Diameter (ID)
37.77
mm

(Equiv. 1.487 in.)
Section (t)
2.62
mm

(Equiv. 0.103 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37.77x2.62 mm - Black - Neoprene Rubber
Material: Neoprene Rubber   
Category: O-Rings - General Purpose - Neoprene Rubber
Part Number: OR-03777-262-CR70-128
General Purpose O-Rings - 37.77x2.62 mm - Black - Neoprene Rubber O-Ring
Contact Us | Special Order Only - Please contact us if you need a large quantity
Inside Diameter (ID)
37.77
mm

(Equiv. 1.487 in.)
Section (t)
2.62
mm

(Equiv. 0.103 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37.77x2.62 mm - Black - Neoprene Rubber
Material: Neoprene Rubber   
Category: O-Rings - General Purpose - Neoprene Rubber
Part Number: OR-03777-262-CR70-128
General Purpose O-Rings - 37.77x2.62 mm - Black - Neoprene Rubber O-Ring
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Sat, Jul 08, 2028
Inside Diameter (ID)
37.77
mm

(Equiv. 1.487 in.)
Section (t)
2.62
mm

(Equiv. 0.103 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37.77x2.62 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-03777-262-N70-128 (20 Pcs)
General Purpose O-Rings - 37.77x2.62 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
5 units (100 pcs) Available Now | Further orders can be expected around Fri, Dec 12, 2025
Regular price $1.41 AUD
Regular price $9.40 AUD Sale price $1.41 AUD
20 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

5 units (100 pcs) Available Now. Backorder if more than 5.
Inside Diameter (ID)
37.77
mm

(Equiv. 1.487 in.)
Section (t)
2.62
mm

(Equiv. 0.103 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37.77x2.62 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-03777-262-N70-128 (20 Pcs)
General Purpose O-Rings - 37.77x2.62 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
5 units (100 pcs) Available Now | Further orders can be expected around Fri, Dec 12, 2025
Regular price $1.41 AUD
Regular price $9.40 AUD Sale price $1.41 AUD
20 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

5 units (100 pcs) Available Now. Backorder if more than 5.