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)
30.00
mm

(Equiv. 1.181 in.)
Section (t)
2.00
mm

(Equiv. 0.079 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 30x2 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03000-200-N70 (1000 Pcs)
General Purpose O-Rings - 30x2 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Dec 30, 2025
Regular price $784.86 AUD
Regular price Sale price $784.86 AUD
1000 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)
30.00
mm

(Equiv. 1.181 in.)
Section (t)
2.00
mm

(Equiv. 0.079 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 30x2 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03000-200-N70 (1000 Pcs)
General Purpose O-Rings - 30x2 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Dec 30, 2025
Regular price $784.86 AUD
Regular price Sale price $784.86 AUD
1000 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
30.00
mm

(Equiv. 1.181 in.)
Section (t)
2.50
mm

(Equiv. 0.098 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 30x2.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03000-250-N70 (800 Pcs)
General Purpose O-Rings - 30x2.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Dec 30, 2025
Regular price $665.68 AUD
Regular price Sale price $665.68 AUD
800 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
30.00
mm

(Equiv. 1.181 in.)
Section (t)
2.50
mm

(Equiv. 0.098 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 30x2.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03000-250-N70 (800 Pcs)
General Purpose O-Rings - 30x2.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Dec 30, 2025
Regular price $665.68 AUD
Regular price Sale price $665.68 AUD
800 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
30.00
mm

(Equiv. 1.181 in.)
Section (t)
2.65
mm

(Equiv. 0.104 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 30x2.65 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03000-265-N70 (800 Pcs)
General Purpose O-Rings - 30x2.65 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Dec 30, 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)
30.00
mm

(Equiv. 1.181 in.)
Section (t)
2.65
mm

(Equiv. 0.104 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 30x2.65 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03000-265-N70 (800 Pcs)
General Purpose O-Rings - 30x2.65 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Dec 30, 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)
30.00
mm

(Equiv. 1.181 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 30x3 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03000-300-N70 (800 Pcs)
General Purpose O-Rings - 30x3 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Dec 30, 2025
Regular price $675.05 AUD
Regular price Sale price $675.05 AUD
800 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
30.00
mm

(Equiv. 1.181 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 30x3 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03000-300-N70 (800 Pcs)
General Purpose O-Rings - 30x3 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Dec 30, 2025
Regular price $675.05 AUD
Regular price Sale price $675.05 AUD
800 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
30.00
mm

(Equiv. 1.181 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 30x3.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03000-350-N70 (700 Pcs)
General Purpose O-Rings - 30x3.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Dec 30, 2025
Regular price $615.50 AUD
Regular price Sale price $615.50 AUD
700 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
30.00
mm

(Equiv. 1.181 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 30x3.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03000-350-N70 (700 Pcs)
General Purpose O-Rings - 30x3.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Dec 30, 2025
Regular price $615.50 AUD
Regular price Sale price $615.50 AUD
700 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
30.00
mm

(Equiv. 1.181 in.)
Section (t)
3.55
mm

(Equiv. 0.14 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 30x3.55 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03000-355-N70 (700 Pcs)
General Purpose O-Rings - 30x3.55 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Dec 30, 2025
Regular price $615.50 AUD
Regular price Sale price $615.50 AUD
700 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
30.00
mm

(Equiv. 1.181 in.)
Section (t)
3.55
mm

(Equiv. 0.14 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 30x3.55 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03000-355-N70 (700 Pcs)
General Purpose O-Rings - 30x3.55 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Dec 30, 2025
Regular price $615.50 AUD
Regular price Sale price $615.50 AUD
700 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
30.00
mm

(Equiv. 1.181 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 30x4 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03000-400-N70 (600 Pcs)
General Purpose O-Rings - 30x4 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Dec 30, 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)
30.00
mm

(Equiv. 1.181 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 30x4 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03000-400-N70 (600 Pcs)
General Purpose O-Rings - 30x4 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Dec 30, 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)
30.00
mm

(Equiv. 1.181 in.)
Section (t)
4.50
mm

(Equiv. 0.177 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 30x4.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03000-450-N70 (500 Pcs)
General Purpose O-Rings - 30x4.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Dec 30, 2025
Regular price $489.86 AUD
Regular price Sale price $489.86 AUD
500 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
30.00
mm

(Equiv. 1.181 in.)
Section (t)
4.50
mm

(Equiv. 0.177 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 30x4.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03000-450-N70 (500 Pcs)
General Purpose O-Rings - 30x4.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Dec 30, 2025
Regular price $489.86 AUD
Regular price Sale price $489.86 AUD
500 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
30.00
mm

(Equiv. 1.181 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 30x5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03000-500-N70 (400 Pcs)
General Purpose O-Rings - 30x5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Dec 30, 2025
Regular price $417.86 AUD
Regular price Sale price $417.86 AUD
400 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
30.00
mm

(Equiv. 1.181 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 30x5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03000-500-N70 (400 Pcs)
General Purpose O-Rings - 30x5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Dec 30, 2025
Regular price $417.86 AUD
Regular price Sale price $417.86 AUD
400 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
30.00
mm

(Equiv. 1.181 in.)
Section (t)
6.00
mm

(Equiv. 0.236 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 30x6 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03000-600-N70 (300 Pcs)
General Purpose O-Rings - 30x6 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Dec 30, 2025
Regular price $382.41 AUD
Regular price Sale price $382.41 AUD
300 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
30.00
mm

(Equiv. 1.181 in.)
Section (t)
6.00
mm

(Equiv. 0.236 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 30x6 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03000-600-N70 (300 Pcs)
General Purpose O-Rings - 30x6 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Dec 30, 2025
Regular price $382.41 AUD
Regular price Sale price $382.41 AUD
300 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
30.50
mm

(Equiv. 1.201 in.)
Section (t)
1.50
mm

(Equiv. 0.059 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 30.5x1.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03050-150-N70 (600 Pcs)
General Purpose O-Rings - 30.5x1.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Dec 30, 2025
Regular price $478.05 AUD
Regular price Sale price $478.05 AUD
600 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
30.50
mm

(Equiv. 1.201 in.)
Section (t)
1.50
mm

(Equiv. 0.059 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 30.5x1.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03050-150-N70 (600 Pcs)
General Purpose O-Rings - 30.5x1.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Dec 30, 2025
Regular price $478.05 AUD
Regular price Sale price $478.05 AUD
600 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
30.50
mm

(Equiv. 1.201 in.)
Section (t)
2.00
mm

(Equiv. 0.079 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 30.5x2 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03050-200-N70 (400 Pcs)
General Purpose O-Rings - 30.5x2 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Dec 30, 2025
Regular price $554.68 AUD
Regular price Sale price $554.68 AUD
400 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
30.50
mm

(Equiv. 1.201 in.)
Section (t)
2.00
mm

(Equiv. 0.079 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 30.5x2 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03050-200-N70 (400 Pcs)
General Purpose O-Rings - 30.5x2 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Dec 30, 2025
Regular price $554.68 AUD
Regular price Sale price $554.68 AUD
400 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
30.50
mm

(Equiv. 1.201 in.)
Section (t)
2.50
mm

(Equiv. 0.098 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 30.5x2.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03050-250-N70
General Purpose O-Rings - 30.5x2.5 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)
30.50
mm

(Equiv. 1.201 in.)
Section (t)
2.50
mm

(Equiv. 0.098 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 30.5x2.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03050-250-N70
General Purpose O-Rings - 30.5x2.5 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 Wed, Jul 26, 2028
Inside Diameter (ID)
30.50
mm

(Equiv. 1.201 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 30.5x3 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03050-300-N70
General Purpose O-Rings - 30.5x3 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)
30.50
mm

(Equiv. 1.201 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 30.5x3 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03050-300-N70
General Purpose O-Rings - 30.5x3 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 Wed, Jul 26, 2028
Inside Diameter (ID)
30.80
mm

(Equiv. 1.213 in.)
Section (t)
3.60
mm

(Equiv. 0.142 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 30.8x3.6 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03080-360-N70
General Purpose O-Rings - 30.8x3.6 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)
30.80
mm

(Equiv. 1.213 in.)
Section (t)
3.60
mm

(Equiv. 0.142 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 30.8x3.6 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03080-360-N70
General Purpose O-Rings - 30.8x3.6 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 Wed, Jul 26, 2028
Inside Diameter (ID)
31.00
mm

(Equiv. 1.22 in.)
Section (t)
1.50
mm

(Equiv. 0.059 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31x1.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03100-150-N70 (1200 Pcs)
General Purpose O-Rings - 31x1.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Dec 30, 2025
Regular price $906.32 AUD
Regular price Sale price $906.32 AUD
1200 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
31.00
mm

(Equiv. 1.22 in.)
Section (t)
1.50
mm

(Equiv. 0.059 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31x1.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03100-150-N70 (1200 Pcs)
General Purpose O-Rings - 31x1.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Dec 30, 2025
Regular price $906.32 AUD
Regular price Sale price $906.32 AUD
1200 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
31.00
mm

(Equiv. 1.22 in.)
Section (t)
2.00
mm

(Equiv. 0.079 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31x2 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03100-200-N70 (20 Pcs)
General Purpose O-Rings - 31x2 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
4 units (80 pcs) Available Now | Further orders can be expected around Tue, Dec 30, 2025
Regular price $4.68 AUD
Regular price Sale price $4.68 AUD
20 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

4 units (80 pcs) Available Now. Backorder if more than 4.
Inside Diameter (ID)
31.00
mm

(Equiv. 1.22 in.)
Section (t)
2.00
mm

(Equiv. 0.079 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31x2 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03100-200-N70 (20 Pcs)
General Purpose O-Rings - 31x2 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
4 units (80 pcs) Available Now | Further orders can be expected around Tue, Dec 30, 2025
Regular price $4.68 AUD
Regular price Sale price $4.68 AUD
20 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

4 units (80 pcs) Available Now. Backorder if more than 4.
Inside Diameter (ID)
31.00
mm

(Equiv. 1.22 in.)
Section (t)
2.50
mm

(Equiv. 0.098 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31x2.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03100-250-N70 (800 Pcs)
General Purpose O-Rings - 31x2.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Dec 30, 2025
Regular price $670.32 AUD
Regular price Sale price $670.32 AUD
800 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
31.00
mm

(Equiv. 1.22 in.)
Section (t)
2.50
mm

(Equiv. 0.098 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31x2.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03100-250-N70 (800 Pcs)
General Purpose O-Rings - 31x2.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Dec 30, 2025
Regular price $670.32 AUD
Regular price Sale price $670.32 AUD
800 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
31.00
mm

(Equiv. 1.22 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31x3 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03100-300-N70 (700 Pcs)
General Purpose O-Rings - 31x3 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Dec 30, 2025
Regular price $598.95 AUD
Regular price Sale price $598.95 AUD
700 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
31.00
mm

(Equiv. 1.22 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31x3 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03100-300-N70 (700 Pcs)
General Purpose O-Rings - 31x3 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Dec 30, 2025
Regular price $598.95 AUD
Regular price Sale price $598.95 AUD
700 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
31.00
mm

(Equiv. 1.22 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31x3.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03100-350-N70 (600 Pcs)
General Purpose O-Rings - 31x3.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Dec 30, 2025
Regular price $534.68 AUD
Regular price Sale price $534.68 AUD
600 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
31.00
mm

(Equiv. 1.22 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31x3.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03100-350-N70 (600 Pcs)
General Purpose O-Rings - 31x3.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Dec 30, 2025
Regular price $534.68 AUD
Regular price Sale price $534.68 AUD
600 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
31.00
mm

(Equiv. 1.22 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31x4 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03100-400-N70 (500 Pcs)
General Purpose O-Rings - 31x4 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Dec 30, 2025
Regular price $472.14 AUD
Regular price Sale price $472.14 AUD
500 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
31.00
mm

(Equiv. 1.22 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31x4 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03100-400-N70 (500 Pcs)
General Purpose O-Rings - 31x4 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Dec 30, 2025
Regular price $472.14 AUD
Regular price Sale price $472.14 AUD
500 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
31.00
mm

(Equiv. 1.22 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31x5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03100-500-N70 (400 Pcs)
General Purpose O-Rings - 31x5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Dec 30, 2025
Regular price $422.59 AUD
Regular price Sale price $422.59 AUD
400 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
31.00
mm

(Equiv. 1.22 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31x5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03100-500-N70 (400 Pcs)
General Purpose O-Rings - 31x5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Dec 30, 2025
Regular price $422.59 AUD
Regular price Sale price $422.59 AUD
400 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
31.00
mm

(Equiv. 1.22 in.)
Section (t)
4.50
mm

(Equiv. 0.177 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31x4.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03100-450-N70 (50000 Pcs)
General Purpose O-Rings - 31x4.5 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)
31.00
mm

(Equiv. 1.22 in.)
Section (t)
4.50
mm

(Equiv. 0.177 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31x4.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03100-450-N70 (50000 Pcs)
General Purpose O-Rings - 31x4.5 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 Wed, Jul 26, 2028
Inside Diameter (ID)
31.00
mm

(Equiv. 1.22 in.)
Section (t)
6.00
mm

(Equiv. 0.236 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31x6 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03100-600-N70
General Purpose O-Rings - 31x6 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)
31.00
mm

(Equiv. 1.22 in.)
Section (t)
6.00
mm

(Equiv. 0.236 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31x6 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03100-600-N70
General Purpose O-Rings - 31x6 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 Wed, Jul 26, 2028