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)
127.00
mm

(Equiv. 5 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 127x4 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12700-400-N70 (100 Pcs)
General Purpose O-Rings - 127x4 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 06, 2026
Regular price $114.59 AUD
Regular price Sale price $114.59 AUD
100 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)
127.00
mm

(Equiv. 5 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 127x4 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12700-400-N70 (100 Pcs)
General Purpose O-Rings - 127x4 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 06, 2026
Regular price $114.59 AUD
Regular price Sale price $114.59 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
127.00
mm

(Equiv. 5 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 127x3.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12700-350-N70
General Purpose O-Rings - 127x3.5 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)
127.00
mm

(Equiv. 5 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 127x3.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12700-350-N70
General Purpose O-Rings - 127x3.5 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, Aug 02, 2028
Inside Diameter (ID)
127.00
mm

(Equiv. 5 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 127x5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12700-500-N70
General Purpose O-Rings - 127x5 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)
127.00
mm

(Equiv. 5 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 127x5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12700-500-N70
General Purpose O-Rings - 127x5 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, Aug 02, 2028
Inside Diameter (ID)
127.00
mm

(Equiv. 5 in.)
Section (t)
5.33
mm

(Equiv. 0.21 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 127x5.33 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12700-533-N70
General Purpose O-Rings - 127x5.33 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)
127.00
mm

(Equiv. 5 in.)
Section (t)
5.33
mm

(Equiv. 0.21 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 127x5.33 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12700-533-N70
General Purpose O-Rings - 127x5.33 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, Aug 02, 2028
Inside Diameter (ID)
128.00
mm

(Equiv. 5.039 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 128x3 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12800-300-N70 (200 Pcs)
General Purpose O-Rings - 128x3 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 06, 2026
Regular price $175.95 AUD
Regular price Sale price $175.95 AUD
200 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
128.00
mm

(Equiv. 5.039 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 128x3 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12800-300-N70 (200 Pcs)
General Purpose O-Rings - 128x3 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 06, 2026
Regular price $175.95 AUD
Regular price Sale price $175.95 AUD
200 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
128.00
mm

(Equiv. 5.039 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 128x3.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12800-350-N70 (1520 Pcs)
General Purpose O-Rings - 128x3.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 06, 2026
Regular price $925.23 AUD
Regular price $5,441.60 AUD Sale price $925.23 AUD
1520 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
128.00
mm

(Equiv. 5.039 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 128x3.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12800-350-N70 (1520 Pcs)
General Purpose O-Rings - 128x3.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 06, 2026
Regular price $925.23 AUD
Regular price $5,441.60 AUD Sale price $925.23 AUD
1520 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
128.00
mm

(Equiv. 5.039 in.)
Section (t)
2.50
mm

(Equiv. 0.098 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 128x2.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12800-250-N70
General Purpose O-Rings - 128x2.5 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)
128.00
mm

(Equiv. 5.039 in.)
Section (t)
2.50
mm

(Equiv. 0.098 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 128x2.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12800-250-N70
General Purpose O-Rings - 128x2.5 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, Aug 02, 2028
Inside Diameter (ID)
128.00
mm

(Equiv. 5.039 in.)
Section (t)
3.55
mm

(Equiv. 0.14 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 128x3.55 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12800-355-N70 (200 Pcs)
General Purpose O-Rings - 128x3.55 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 06, 2026
Regular price $191.32 AUD
Regular price Sale price $191.32 AUD
200 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
128.00
mm

(Equiv. 5.039 in.)
Section (t)
3.55
mm

(Equiv. 0.14 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 128x3.55 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12800-355-N70 (200 Pcs)
General Purpose O-Rings - 128x3.55 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 06, 2026
Regular price $191.32 AUD
Regular price Sale price $191.32 AUD
200 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
128.00
mm

(Equiv. 5.039 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 128x4 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12800-400-N70
General Purpose O-Rings - 128x4 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)
128.00
mm

(Equiv. 5.039 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 128x4 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12800-400-N70
General Purpose O-Rings - 128x4 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, Aug 02, 2028
Inside Diameter (ID)
128.00
mm

(Equiv. 5.039 in.)
Section (t)
4.50
mm

(Equiv. 0.177 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 128x4.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12800-450-N70
General Purpose O-Rings - 128x4.5 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)
128.00
mm

(Equiv. 5.039 in.)
Section (t)
4.50
mm

(Equiv. 0.177 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 128x4.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12800-450-N70
General Purpose O-Rings - 128x4.5 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, Aug 02, 2028
Inside Diameter (ID)
128.00
mm

(Equiv. 5.039 in.)
Section (t)
5.30
mm

(Equiv. 0.209 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 128x5.3 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12800-530-N70 (100 Pcs)
General Purpose O-Rings - 128x5.3 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 06, 2026
Regular price $160.05 AUD
Regular price Sale price $160.05 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
128.00
mm

(Equiv. 5.039 in.)
Section (t)
5.30
mm

(Equiv. 0.209 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 128x5.3 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12800-530-N70 (100 Pcs)
General Purpose O-Rings - 128x5.3 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 06, 2026
Regular price $160.05 AUD
Regular price Sale price $160.05 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
128.00
mm

(Equiv. 5.039 in.)
Section (t)
6.00
mm

(Equiv. 0.236 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 128x6 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12800-600-N70 (770 Pcs)
General Purpose O-Rings - 128x6 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 06, 2026
Regular price $1,069.59 AUD
Regular price $6,290.90 AUD Sale price $1,069.59 AUD
770 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
128.00
mm

(Equiv. 5.039 in.)
Section (t)
6.00
mm

(Equiv. 0.236 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 128x6 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12800-600-N70 (770 Pcs)
General Purpose O-Rings - 128x6 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 06, 2026
Regular price $1,069.59 AUD
Regular price $6,290.90 AUD Sale price $1,069.59 AUD
770 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
128.00
mm

(Equiv. 5.039 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 128x5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12800-500-N70
General Purpose O-Rings - 128x5 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)
128.00
mm

(Equiv. 5.039 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 128x5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12800-500-N70
General Purpose O-Rings - 128x5 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, Aug 02, 2028
Inside Diameter (ID)
129.00
mm

(Equiv. 5.079 in.)
Section (t)
2.50
mm

(Equiv. 0.098 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 129x2.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12900-250-N70
General Purpose O-Rings - 129x2.5 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)
129.00
mm

(Equiv. 5.079 in.)
Section (t)
2.50
mm

(Equiv. 0.098 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 129x2.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12900-250-N70
General Purpose O-Rings - 129x2.5 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, Aug 02, 2028
Inside Diameter (ID)
129.00
mm

(Equiv. 5.079 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 129x3 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12900-300-N70
General Purpose O-Rings - 129x3 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)
129.00
mm

(Equiv. 5.079 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 129x3 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12900-300-N70
General Purpose O-Rings - 129x3 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, Aug 02, 2028
Inside Diameter (ID)
129.00
mm

(Equiv. 5.079 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 129x3.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12900-350-N70
General Purpose O-Rings - 129x3.5 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)
129.00
mm

(Equiv. 5.079 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 129x3.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12900-350-N70
General Purpose O-Rings - 129x3.5 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, Aug 02, 2028
Inside Diameter (ID)
129.00
mm

(Equiv. 5.079 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 129x4 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12900-400-N70
General Purpose O-Rings - 129x4 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)
129.00
mm

(Equiv. 5.079 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 129x4 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12900-400-N70
General Purpose O-Rings - 129x4 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, Aug 02, 2028
Inside Diameter (ID)
129.00
mm

(Equiv. 5.079 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 129x5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12900-500-N70
General Purpose O-Rings - 129x5 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)
129.00
mm

(Equiv. 5.079 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 129x5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12900-500-N70
General Purpose O-Rings - 129x5 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, Aug 02, 2028
Inside Diameter (ID)
129.40
mm

(Equiv. 5.094 in.)
Section (t)
1.78
mm

(Equiv. 0.07 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 129.4x1.78 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12940-178-N70-548 (100 Pcs)
General Purpose O-Rings - 129.4x1.78 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 06, 2026
Regular price $221.95 AUD
Regular price Sale price $221.95 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
129.40
mm

(Equiv. 5.094 in.)
Section (t)
1.78
mm

(Equiv. 0.07 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 129.4x1.78 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12940-178-N70-548 (100 Pcs)
General Purpose O-Rings - 129.4x1.78 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 06, 2026
Regular price $221.95 AUD
Regular price Sale price $221.95 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
129.30
mm

(Equiv. 5.091 in.)
Section (t)
5.70
mm

(Equiv. 0.224 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 129.3x5.7 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12930-570-N70
General Purpose O-Rings - 129.3x5.7 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)
129.30
mm

(Equiv. 5.091 in.)
Section (t)
5.70
mm

(Equiv. 0.224 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 129.3x5.7 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12930-570-N70
General Purpose O-Rings - 129.3x5.7 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, Aug 02, 2028
Inside Diameter (ID)
129.50
mm

(Equiv. 5.098 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 129.5x3 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12950-300-N70
General Purpose O-Rings - 129.5x3 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)
129.50
mm

(Equiv. 5.098 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 129.5x3 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12950-300-N70
General Purpose O-Rings - 129.5x3 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, Aug 02, 2028
Inside Diameter (ID)
129.54
mm

(Equiv. 5.1 in.)
Section (t)
5.33
mm

(Equiv. 0.21 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 129.54x5.33 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12954-533-N70-354 (100 Pcs)
General Purpose O-Rings - 129.54x5.33 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 06, 2026
Regular price $183.05 AUD
Regular price Sale price $183.05 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
129.54
mm

(Equiv. 5.1 in.)
Section (t)
5.33
mm

(Equiv. 0.21 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 129.54x5.33 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12954-533-N70-354 (100 Pcs)
General Purpose O-Rings - 129.54x5.33 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 06, 2026
Regular price $183.05 AUD
Regular price Sale price $183.05 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
129.54
mm

(Equiv. 5.1 in.)
Section (t)
5.33
mm

(Equiv. 0.21 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 129.54x5.33 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12954-533-N90-354 (100 Pcs)
General Purpose O-Rings - 129.54x5.33 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 06, 2026
Regular price $183.05 AUD
Regular price Sale price $183.05 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
129.54
mm

(Equiv. 5.1 in.)
Section (t)
5.33
mm

(Equiv. 0.21 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 129.54x5.33 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12954-533-N90-354 (100 Pcs)
General Purpose O-Rings - 129.54x5.33 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 06, 2026
Regular price $183.05 AUD
Regular price Sale price $183.05 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
129.54
mm

(Equiv. 5.1 in.)
Section (t)
6.99
mm

(Equiv. 0.275 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 129.54x6.99 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12954-699-N70-430 (100 Pcs)
General Purpose O-Rings - 129.54x6.99 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 06, 2026
Regular price $326.95 AUD
Regular price Sale price $326.95 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
129.54
mm

(Equiv. 5.1 in.)
Section (t)
6.99
mm

(Equiv. 0.275 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 129.54x6.99 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12954-699-N70-430 (100 Pcs)
General Purpose O-Rings - 129.54x6.99 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 06, 2026
Regular price $326.95 AUD
Regular price Sale price $326.95 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.