Collection: O-Rings - General Purpose

O-Rings -> General Purpose
Inside Diameter (ID) Section (t) Colour Hardness Indicative
Image
Inside Diameter (ID)
276.00
mm

(Equiv. 10.866 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 276x5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-27600-500-N70
General Purpose O-Rings - 276x5 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) Section (t) Colour Hardness Indicative
Image
Inside Diameter (ID)
276.00
mm

(Equiv. 10.866 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 276x5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-27600-500-N70
General Purpose O-Rings - 276x5 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 29, 2028
Inside Diameter (ID)
277.00
mm

(Equiv. 10.906 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 277x4 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-27700-400-N70 (440 Pcs)
General Purpose O-Rings - 277x4 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 02, 2026
Regular price $869.41 AUD
Regular price $5,112.80 AUD Sale price $869.41 AUD
440 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
277.00
mm

(Equiv. 10.906 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 277x4 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-27700-400-N70 (440 Pcs)
General Purpose O-Rings - 277x4 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 02, 2026
Regular price $869.41 AUD
Regular price $5,112.80 AUD Sale price $869.41 AUD
440 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
277.00
mm

(Equiv. 10.906 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 277x3.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-27700-350-N70
General Purpose O-Rings - 277x3.5 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)
277.00
mm

(Equiv. 10.906 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 277x3.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-27700-350-N70
General Purpose O-Rings - 277x3.5 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 29, 2028
Inside Diameter (ID)
277.00
mm

(Equiv. 10.906 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 277x5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-27700-500-N70
General Purpose O-Rings - 277x5 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)
277.00
mm

(Equiv. 10.906 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 277x5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-27700-500-N70
General Purpose O-Rings - 277x5 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 29, 2028
Inside Diameter (ID)
278.00
mm

(Equiv. 10.945 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 278x3.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-27800-350-N70
General Purpose O-Rings - 278x3.5 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)
278.00
mm

(Equiv. 10.945 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 278x3.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-27800-350-N70
General Purpose O-Rings - 278x3.5 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 29, 2028
Inside Diameter (ID)
278.00
mm

(Equiv. 10.945 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 278x4 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-27800-400-N70
General Purpose O-Rings - 278x4 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)
278.00
mm

(Equiv. 10.945 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 278x4 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-27800-400-N70
General Purpose O-Rings - 278x4 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 29, 2028
Inside Diameter (ID)
278.00
mm

(Equiv. 10.945 in.)
Section (t)
6.00
mm

(Equiv. 0.236 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 278x6 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-27800-600-N70 (320 Pcs)
General Purpose O-Rings - 278x6 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 02, 2026
Regular price $1,035.05 AUD
Regular price $6,086.40 AUD Sale price $1,035.05 AUD
320 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
278.00
mm

(Equiv. 10.945 in.)
Section (t)
6.00
mm

(Equiv. 0.236 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 278x6 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-27800-600-N70 (320 Pcs)
General Purpose O-Rings - 278x6 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 02, 2026
Regular price $1,035.05 AUD
Regular price $6,086.40 AUD Sale price $1,035.05 AUD
320 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
278.00
mm

(Equiv. 10.945 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 278x5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-27800-500-N70
General Purpose O-Rings - 278x5 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)
278.00
mm

(Equiv. 10.945 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 278x5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-27800-500-N70
General Purpose O-Rings - 278x5 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 29, 2028
Inside Diameter (ID)
278.77
mm

(Equiv. 10.975 in.)
Section (t)
5.33
mm

(Equiv. 0.21 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 278.77x5.33 mm - Black - Neoprene Rubber
Material: Neoprene Rubber   
Category: O-Rings - General Purpose - Neoprene Rubber
Part Number: OR-27877-533-CR70-379
General Purpose O-Rings - 278.77x5.33 mm - Black - Neoprene Rubber O-Ring
Contact Us | Special Order Only - Please contact us if you need a large quantity
Inside Diameter (ID)
278.77
mm

(Equiv. 10.975 in.)
Section (t)
5.33
mm

(Equiv. 0.21 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 278.77x5.33 mm - Black - Neoprene Rubber
Material: Neoprene Rubber   
Category: O-Rings - General Purpose - Neoprene Rubber
Part Number: OR-27877-533-CR70-379
General Purpose O-Rings - 278.77x5.33 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 29, 2028
Inside Diameter (ID)
278.77
mm

(Equiv. 10.975 in.)
Section (t)
5.33
mm

(Equiv. 0.21 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 278.77x5.33 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-27877-533-N70-379 (100 Pcs)
General Purpose O-Rings - 278.77x5.33 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 02, 2026
Regular price $577.23 AUD
Regular price Sale price $577.23 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
278.77
mm

(Equiv. 10.975 in.)
Section (t)
5.33
mm

(Equiv. 0.21 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 278.77x5.33 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-27877-533-N70-379 (100 Pcs)
General Purpose O-Rings - 278.77x5.33 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 02, 2026
Regular price $577.23 AUD
Regular price Sale price $577.23 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
278.77
mm

(Equiv. 10.975 in.)
Section (t)
5.33
mm

(Equiv. 0.21 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 278.77x5.33 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-27877-533-N90-379 (90 Pcs)
General Purpose O-Rings - 278.77x5.33 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 02, 2026
Regular price $519.50 AUD
Regular price Sale price $519.50 AUD
90 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
278.77
mm

(Equiv. 10.975 in.)
Section (t)
5.33
mm

(Equiv. 0.21 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 278.77x5.33 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-27877-533-N90-379 (90 Pcs)
General Purpose O-Rings - 278.77x5.33 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 02, 2026
Regular price $519.50 AUD
Regular price Sale price $519.50 AUD
90 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
278.77
mm

(Equiv. 10.975 in.)
Section (t)
6.99
mm

(Equiv. 0.275 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 278.77x6.99 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-27877-699-N70-451
General Purpose O-Rings - 278.77x6.99 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
10 Available Now | Further orders can be expected around Fri, Jan 02, 2026
Regular price $2.68 AUD
Regular price $17.79 AUD Sale price $2.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

10 Available Now. Backorder if more than 10.
Inside Diameter (ID)
278.77
mm

(Equiv. 10.975 in.)
Section (t)
6.99
mm

(Equiv. 0.275 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 278.77x6.99 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-27877-699-N70-451
General Purpose O-Rings - 278.77x6.99 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
10 Available Now | Further orders can be expected around Fri, Jan 02, 2026
Regular price $2.68 AUD
Regular price $17.79 AUD Sale price $2.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

10 Available Now. Backorder if more than 10.
Inside Diameter (ID)
278.77
mm

(Equiv. 10.975 in.)
Section (t)
6.99
mm

(Equiv. 0.275 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 278.77x6.99 mm - Black - Neoprene Rubber
Material: Neoprene Rubber   
Category: O-Rings - General Purpose - Neoprene Rubber
Part Number: OR-27877-699-CR70-451
General Purpose O-Rings - 278.77x6.99 mm - Black - Neoprene Rubber O-Ring
Contact Us | Special Order Only - Please contact us if you need a large quantity
Inside Diameter (ID)
278.77
mm

(Equiv. 10.975 in.)
Section (t)
6.99
mm

(Equiv. 0.275 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 278.77x6.99 mm - Black - Neoprene Rubber
Material: Neoprene Rubber   
Category: O-Rings - General Purpose - Neoprene Rubber
Part Number: OR-27877-699-CR70-451
General Purpose O-Rings - 278.77x6.99 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 29, 2028
Inside Diameter (ID)
278.77
mm

(Equiv. 10.975 in.)
Section (t)
6.99
mm

(Equiv. 0.275 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 278.77x6.99 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-27877-699-N90-451
General Purpose O-Rings - 278.77x6.99 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
3 Available Now | Further orders can be expected around Fri, Jan 02, 2026
Regular price $2.68 AUD
Regular price $17.79 AUD Sale price $2.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

3 Available Now. Backorder if more than 3.
Inside Diameter (ID)
278.77
mm

(Equiv. 10.975 in.)
Section (t)
6.99
mm

(Equiv. 0.275 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 278.77x6.99 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-27877-699-N90-451
General Purpose O-Rings - 278.77x6.99 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
3 Available Now | Further orders can be expected around Fri, Jan 02, 2026
Regular price $2.68 AUD
Regular price $17.79 AUD Sale price $2.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

3 Available Now. Backorder if more than 3.
Inside Diameter (ID)
279.00
mm

(Equiv. 10.984 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 279x3.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-27900-350-N70
General Purpose O-Rings - 279x3.5 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)
279.00
mm

(Equiv. 10.984 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 279x3.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-27900-350-N70
General Purpose O-Rings - 279x3.5 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 29, 2028
Inside Diameter (ID)
278.99
mm

(Equiv. 10.984 in.)
Section (t)
3.53
mm

(Equiv. 0.139 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 278.99x3.53 mm - Black - Neoprene Rubber
Material: Neoprene Rubber   
Category: O-Rings - General Purpose - Neoprene Rubber
Part Number: OR-27899-353-CR70-276
General Purpose O-Rings - 278.99x3.53 mm - Black - Neoprene Rubber O-Ring
Contact Us | Special Order Only - Please contact us if you need a large quantity
Inside Diameter (ID)
278.99
mm

(Equiv. 10.984 in.)
Section (t)
3.53
mm

(Equiv. 0.139 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 278.99x3.53 mm - Black - Neoprene Rubber
Material: Neoprene Rubber   
Category: O-Rings - General Purpose - Neoprene Rubber
Part Number: OR-27899-353-CR70-276
General Purpose O-Rings - 278.99x3.53 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 29, 2028
Inside Diameter (ID)
279.00
mm

(Equiv. 10.984 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 279x4 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-27900-400-N70
General Purpose O-Rings - 279x4 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)
279.00
mm

(Equiv. 10.984 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 279x4 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-27900-400-N70
General Purpose O-Rings - 279x4 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 29, 2028
Inside Diameter (ID)
279.00
mm

(Equiv. 10.984 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 279x5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-27900-500-N70
General Purpose O-Rings - 279x5 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)
279.00
mm

(Equiv. 10.984 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 279x5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-27900-500-N70
General Purpose O-Rings - 279x5 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 29, 2028
Inside Diameter (ID)
278.99
mm

(Equiv. 10.984 in.)
Section (t)
3.53
mm

(Equiv. 0.139 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 278.99x3.53 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-27899-353-N70-276 (100 Pcs)
General Purpose O-Rings - 278.99x3.53 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 02, 2026
Regular price $509.32 AUD
Regular price Sale price $509.32 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
278.99
mm

(Equiv. 10.984 in.)
Section (t)
3.53
mm

(Equiv. 0.139 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 278.99x3.53 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-27899-353-N70-276 (100 Pcs)
General Purpose O-Rings - 278.99x3.53 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 02, 2026
Regular price $509.32 AUD
Regular price Sale price $509.32 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
278.99
mm

(Equiv. 10.984 in.)
Section (t)
3.53
mm

(Equiv. 0.139 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 278.99x3.53 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-27899-353-N90-276 (100 Pcs)
General Purpose O-Rings - 278.99x3.53 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 02, 2026
Regular price $509.32 AUD
Regular price Sale price $509.32 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
278.99
mm

(Equiv. 10.984 in.)
Section (t)
3.53
mm

(Equiv. 0.139 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 278.99x3.53 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-27899-353-N90-276 (100 Pcs)
General Purpose O-Rings - 278.99x3.53 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 02, 2026
Regular price $509.32 AUD
Regular price Sale price $509.32 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
279.30
mm

(Equiv. 10.996 in.)
Section (t)
5.70
mm

(Equiv. 0.224 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 279.3x5.7 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-27930-570-N70 (100 Pcs)
General Purpose O-Rings - 279.3x5.7 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 02, 2026
Regular price $430.86 AUD
Regular price Sale price $430.86 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
279.30
mm

(Equiv. 10.996 in.)
Section (t)
5.70
mm

(Equiv. 0.224 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 279.3x5.7 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-27930-570-N70 (100 Pcs)
General Purpose O-Rings - 279.3x5.7 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 02, 2026
Regular price $430.86 AUD
Regular price Sale price $430.86 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
279.40
mm

(Equiv. 11 in.)
Section (t)
3.18
mm

(Equiv. 0.125 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 279.4x3.18 mm - Black - Neoprene Rubber
Material: Neoprene Rubber   
Category: O-Rings - General Purpose - Neoprene Rubber
Part Number: OR-27940-318-CR70 (1000 Pcs)
General Purpose O-Rings - 279.4x3.18 mm - Black - Neoprene Rubber O-Ring
Out of Stock | Backorder Now | Orders can be expected around Thu, Dec 04, 2025
Regular price $16,195.23 AUD
Regular price $38,104.00 AUD Sale price $16,195.23 AUD
1000 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
279.40
mm

(Equiv. 11 in.)
Section (t)
3.18
mm

(Equiv. 0.125 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 279.4x3.18 mm - Black - Neoprene Rubber
Material: Neoprene Rubber   
Category: O-Rings - General Purpose - Neoprene Rubber
Part Number: OR-27940-318-CR70 (1000 Pcs)
General Purpose O-Rings - 279.4x3.18 mm - Black - Neoprene Rubber O-Ring
Out of Stock | Backorder Now | Orders can be expected around Thu, Dec 04, 2025
Regular price $16,195.23 AUD
Regular price $38,104.00 AUD Sale price $16,195.23 AUD
1000 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
280.00
mm

(Equiv. 11.024 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 280x4 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-28000-400-N70 (100 Pcs)
General Purpose O-Rings - 280x4 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 02, 2026
Regular price $496.95 AUD
Regular price Sale price $496.95 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
280.00
mm

(Equiv. 11.024 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 280x4 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-28000-400-N70 (100 Pcs)
General Purpose O-Rings - 280x4 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 02, 2026
Regular price $496.95 AUD
Regular price Sale price $496.95 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
280.00
mm

(Equiv. 11.024 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 280x3.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-28000-350-N70
General Purpose O-Rings - 280x3.5 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)
280.00
mm

(Equiv. 11.024 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 280x3.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber
Part Number: OR-28000-350-N70
General Purpose O-Rings - 280x3.5 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 29, 2028