Collection: O-Rings - General Purpose - Nitrile Rubber

O-Rings -> General Purpose -> Nitrile Rubber
Inside Diameter (ID) Section (t) Colour Hardness Special Applications Indicative
Image
Inside Diameter (ID)
36.50
mm

(Equiv. 1.437 in.)
Section (t)
3.55
mm

(Equiv. 0.14 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 36.5x3.55 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03650-355-N70 (600 Pcs)
General Purpose O-Rings - 36.5x3.55 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Thu, Jan 01, 2026
Regular price $555.86 AUD
Regular price Sale price $555.86 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)
36.50
mm

(Equiv. 1.437 in.)
Section (t)
3.55
mm

(Equiv. 0.14 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 36.5x3.55 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03650-355-N70 (600 Pcs)
General Purpose O-Rings - 36.5x3.55 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Thu, Jan 01, 2026
Regular price $555.86 AUD
Regular price Sale price $555.86 AUD
600 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
36.50
mm

(Equiv. 1.437 in.)
Section (t)
2.50
mm

(Equiv. 0.098 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 36.5x2.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03650-250-N70
General Purpose O-Rings - 36.5x2.5 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)
36.50
mm

(Equiv. 1.437 in.)
Section (t)
2.50
mm

(Equiv. 0.098 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 36.5x2.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03650-250-N70
General Purpose O-Rings - 36.5x2.5 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 Fri, Jul 28, 2028
Inside Diameter (ID)
37.00
mm

(Equiv. 1.457 in.)
Section (t)
1.50
mm

(Equiv. 0.059 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37x1.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03700-150-N70 (50 Pcs)
General Purpose O-Rings - 37x1.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
85 units (4250 pcs) Available Now | Further orders can be expected around Thu, Jan 01, 2026
Regular price $9.59 AUD
Regular price Sale price $9.59 AUD
50 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

85 units (4250 pcs) Available Now. Backorder if more than 85.
Inside Diameter (ID)
37.00
mm

(Equiv. 1.457 in.)
Section (t)
1.50
mm

(Equiv. 0.059 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37x1.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03700-150-N70 (50 Pcs)
General Purpose O-Rings - 37x1.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
85 units (4250 pcs) Available Now | Further orders can be expected around Thu, Jan 01, 2026
Regular price $9.59 AUD
Regular price Sale price $9.59 AUD
50 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

85 units (4250 pcs) Available Now. Backorder if more than 85.
Inside Diameter (ID)
37.00
mm

(Equiv. 1.457 in.)
Section (t)
2.00
mm

(Equiv. 0.079 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37x2 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03700-200-N70 (200 Pcs)
General Purpose O-Rings - 37x2 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Thu, Jan 01, 2026
Regular price $54.41 AUD
Regular price Sale price $54.41 AUD
200 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)
2.00
mm

(Equiv. 0.079 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37x2 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03700-200-N70 (200 Pcs)
General Purpose O-Rings - 37x2 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Thu, Jan 01, 2026
Regular price $54.41 AUD
Regular price Sale price $54.41 AUD
200 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)
2.50
mm

(Equiv. 0.098 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37x2.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03700-250-N70 (700 Pcs)
General Purpose O-Rings - 37x2.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Thu, Jan 01, 2026
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)
37.00
mm

(Equiv. 1.457 in.)
Section (t)
2.50
mm

(Equiv. 0.098 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 37x2.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03700-250-N70 (700 Pcs)
General Purpose O-Rings - 37x2.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Thu, Jan 01, 2026
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)
37.00
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)   
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 Thu, Jan 01, 2026
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)
3.00
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)   
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 Thu, Jan 01, 2026
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)   
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 Thu, Jan 01, 2026
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)   
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 Thu, Jan 01, 2026
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)   
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 Thu, Jan 01, 2026
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)   
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 Thu, Jan 01, 2026
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)   
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 Thu, Jan 01, 2026
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)   
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 Thu, Jan 01, 2026
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)   
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)   
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 Fri, Jul 28, 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)   
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)   
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 Fri, Jul 28, 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)   
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 Thu, Jan 01, 2026
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)   
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 Thu, Jan 01, 2026
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)   
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)   
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 Fri, Jul 28, 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)   
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 Thu, Jan 01, 2026
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)   
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 Thu, Jan 01, 2026
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)
37.50
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)   
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 Thu, Jan 01, 2026
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)   
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 Thu, Jan 01, 2026
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)   
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 Thu, Jan 01, 2026
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)   
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 Thu, Jan 01, 2026
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)
37.47
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)   
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 Thu, Jan 01, 2026
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)   
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 Thu, Jan 01, 2026
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)
37.50
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)   
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)   
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 Fri, Jul 28, 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)   
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 Thu, Jan 01, 2026
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)   
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 Thu, Jan 01, 2026
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)   
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 Thu, Jan 01, 2026
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)   
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 Thu, Jan 01, 2026
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)
37.47
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)   
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 Thu, Jan 01, 2026
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)   
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 Thu, Jan 01, 2026
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)
2.50
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)   
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)   
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 Fri, Jul 28, 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)   
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)   
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 Fri, Jul 28, 2028
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)   
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)   
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 Fri, Jul 28, 2028