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)
123.00
mm

(Equiv. 4.843 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 123x3.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12300-350-N70 (1590 Pcs)
General Purpose O-Rings - 123x3.5 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 $927.23 AUD
Regular price $5,453.70 AUD Sale price $927.23 AUD
1590 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)
123.00
mm

(Equiv. 4.843 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 123x3.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12300-350-N70 (1590 Pcs)
General Purpose O-Rings - 123x3.5 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 $927.23 AUD
Regular price $5,453.70 AUD Sale price $927.23 AUD
1590 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
123.00
mm

(Equiv. 4.843 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 123x5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12300-500-N70 (100 Pcs)
General Purpose O-Rings - 123x5 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 $181.23 AUD
Regular price Sale price $181.23 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
123.00
mm

(Equiv. 4.843 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 123x5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12300-500-N70 (100 Pcs)
General Purpose O-Rings - 123x5 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 $181.23 AUD
Regular price Sale price $181.23 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
123.00
mm

(Equiv. 4.843 in.)
Section (t)
6.00
mm

(Equiv. 0.236 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 123x6 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12300-600-N70 (780 Pcs)
General Purpose O-Rings - 123x6 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 $1,056.95 AUD
Regular price $6,216.60 AUD Sale price $1,056.95 AUD
780 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
123.00
mm

(Equiv. 4.843 in.)
Section (t)
6.00
mm

(Equiv. 0.236 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 123x6 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12300-600-N70 (780 Pcs)
General Purpose O-Rings - 123x6 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 $1,056.95 AUD
Regular price $6,216.60 AUD Sale price $1,056.95 AUD
780 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
123.00
mm

(Equiv. 4.843 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 123x4 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12300-400-N70
General Purpose O-Rings - 123x4 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)
123.00
mm

(Equiv. 4.843 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 123x4 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12300-400-N70
General Purpose O-Rings - 123x4 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)
123.19
mm

(Equiv. 4.85 in.)
Section (t)
5.33
mm

(Equiv. 0.21 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 123.19x5.33 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Deleted Item. Available while stocks last.
Part Number: OR-12319-533-N70-352
General Purpose O-Rings - 123.19x5.33 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
18 Available Now | Item Discontinued - Up to 18 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $2.00 AUD
Regular price $36.61 AUD Sale price $2.00 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

18 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Inside Diameter (ID)
123.19
mm

(Equiv. 4.85 in.)
Section (t)
5.33
mm

(Equiv. 0.21 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 123.19x5.33 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Deleted Item. Available while stocks last.
Part Number: OR-12319-533-N70-352
General Purpose O-Rings - 123.19x5.33 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
18 Available Now | Item Discontinued - Up to 18 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $2.00 AUD
Regular price $36.61 AUD Sale price $2.00 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

18 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Inside Diameter (ID)
123.19
mm

(Equiv. 4.85 in.)
Section (t)
6.99
mm

(Equiv. 0.275 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 123.19x6.99 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12319-699-N70-428 (100 Pcs)
General Purpose O-Rings - 123.19x6.99 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 $311.68 AUD
Regular price Sale price $311.68 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
123.19
mm

(Equiv. 4.85 in.)
Section (t)
6.99
mm

(Equiv. 0.275 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 123.19x6.99 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12319-699-N70-428 (100 Pcs)
General Purpose O-Rings - 123.19x6.99 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 $311.68 AUD
Regular price Sale price $311.68 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
123.19
mm

(Equiv. 4.85 in.)
Section (t)
6.99
mm

(Equiv. 0.275 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 123.19x6.99 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12319-699-N90-428 (100 Pcs)
General Purpose O-Rings - 123.19x6.99 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 $311.68 AUD
Regular price Sale price $311.68 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
123.19
mm

(Equiv. 4.85 in.)
Section (t)
6.99
mm

(Equiv. 0.275 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 123.19x6.99 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12319-699-N90-428 (100 Pcs)
General Purpose O-Rings - 123.19x6.99 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 $311.68 AUD
Regular price Sale price $311.68 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
123.44
mm

(Equiv. 4.86 in.)
Section (t)
1.78
mm

(Equiv. 0.07 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 123.44x1.78 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12344-178-N70-546
General Purpose O-Rings - 123.44x1.78 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)
123.44
mm

(Equiv. 4.86 in.)
Section (t)
1.78
mm

(Equiv. 0.07 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 123.44x1.78 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12344-178-N70-546
General Purpose O-Rings - 123.44x1.78 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)
123.42
mm

(Equiv. 4.859 in.)
Section (t)
3.53
mm

(Equiv. 0.139 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 123.42x3.53 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12342-353-N70-249 (2 Pcs)
General Purpose O-Rings - 123.42x3.53 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
10 units (20 pcs) Available Now | Further orders can be expected around Tue, Jan 06, 2026
Regular price $5.05 AUD
Regular price Sale price $5.05 AUD
2 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

10 units (20 pcs) Available Now. Backorder if more than 10.
Inside Diameter (ID)
123.42
mm

(Equiv. 4.859 in.)
Section (t)
3.53
mm

(Equiv. 0.139 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 123.42x3.53 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12342-353-N70-249 (2 Pcs)
General Purpose O-Rings - 123.42x3.53 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
10 units (20 pcs) Available Now | Further orders can be expected around Tue, Jan 06, 2026
Regular price $5.05 AUD
Regular price Sale price $5.05 AUD
2 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

10 units (20 pcs) Available Now. Backorder if more than 10.
Inside Diameter (ID)
123.42
mm

(Equiv. 4.859 in.)
Section (t)
3.53
mm

(Equiv. 0.139 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 123.42x3.53 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12342-353-N90-249 (100 Pcs)
General Purpose O-Rings - 123.42x3.53 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 $122.86 AUD
Regular price Sale price $122.86 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
123.42
mm

(Equiv. 4.859 in.)
Section (t)
3.53
mm

(Equiv. 0.139 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 123.42x3.53 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12342-353-N90-249 (100 Pcs)
General Purpose O-Rings - 123.42x3.53 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 $122.86 AUD
Regular price Sale price $122.86 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
123.83
mm

(Equiv. 4.875 in.)
Section (t)
5.33
mm

(Equiv. 0.21 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 123.83x5.33 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12383-533-N70-862 (100 Pcs)
General Purpose O-Rings - 123.83x5.33 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 $165.32 AUD
Regular price Sale price $165.32 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
123.83
mm

(Equiv. 4.875 in.)
Section (t)
5.33
mm

(Equiv. 0.21 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 123.83x5.33 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12383-533-N70-862 (100 Pcs)
General Purpose O-Rings - 123.83x5.33 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 $165.32 AUD
Regular price Sale price $165.32 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
124.00
mm

(Equiv. 4.882 in.)
Section (t)
2.50
mm

(Equiv. 0.098 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 124x2.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12400-250-N70 (100 Pcs)
General Purpose O-Rings - 124x2.5 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 $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)
124.00
mm

(Equiv. 4.882 in.)
Section (t)
2.50
mm

(Equiv. 0.098 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 124x2.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12400-250-N70 (100 Pcs)
General Purpose O-Rings - 124x2.5 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 $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)
124.00
mm

(Equiv. 4.882 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 124x3 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12400-300-N70 (200 Pcs)
General Purpose O-Rings - 124x3 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 $164.14 AUD
Regular price Sale price $164.14 AUD
200 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
124.00
mm

(Equiv. 4.882 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 124x3 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12400-300-N70 (200 Pcs)
General Purpose O-Rings - 124x3 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 $164.14 AUD
Regular price Sale price $164.14 AUD
200 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
124.00
mm

(Equiv. 4.882 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 124x3.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12400-350-N70
General Purpose O-Rings - 124x3.5 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)
124.00
mm

(Equiv. 4.882 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 124x3.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12400-350-N70
General Purpose O-Rings - 124x3.5 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)
124.00
mm

(Equiv. 4.882 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 124x5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12400-500-N70 (100 Pcs)
General Purpose O-Rings - 124x5 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 $182.41 AUD
Regular price Sale price $182.41 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
124.00
mm

(Equiv. 4.882 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 124x5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12400-500-N70 (100 Pcs)
General Purpose O-Rings - 124x5 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 $182.41 AUD
Regular price Sale price $182.41 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
124.00
mm

(Equiv. 4.882 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 124x4 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12400-400-N70
General Purpose O-Rings - 124x4 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)
124.00
mm

(Equiv. 4.882 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 124x4 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12400-400-N70
General Purpose O-Rings - 124x4 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)
124.00
mm

(Equiv. 4.882 in.)
Section (t)
4.50
mm

(Equiv. 0.177 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 124x4.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12400-450-N70
General Purpose O-Rings - 124x4.5 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)
124.00
mm

(Equiv. 4.882 in.)
Section (t)
4.50
mm

(Equiv. 0.177 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 124x4.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12400-450-N70
General Purpose O-Rings - 124x4.5 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)
124.00
mm

(Equiv. 4.882 in.)
Section (t)
5.70
mm

(Equiv. 0.224 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 124x5.7 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12400-570-N70
General Purpose O-Rings - 124x5.7 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)
124.00
mm

(Equiv. 4.882 in.)
Section (t)
5.70
mm

(Equiv. 0.224 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 124x5.7 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12400-570-N70
General Purpose O-Rings - 124x5.7 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)
124.00
mm

(Equiv. 4.882 in.)
Section (t)
6.00
mm

(Equiv. 0.236 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 124x6 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12400-600-N70
General Purpose O-Rings - 124x6 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)
124.00
mm

(Equiv. 4.882 in.)
Section (t)
6.00
mm

(Equiv. 0.236 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 124x6 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12400-600-N70
General Purpose O-Rings - 124x6 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)
124.30
mm

(Equiv. 4.894 in.)
Section (t)
5.70
mm

(Equiv. 0.224 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 124.3x5.7 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12430-570-N70
General Purpose O-Rings - 124.3x5.7 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)
124.30
mm

(Equiv. 4.894 in.)
Section (t)
5.70
mm

(Equiv. 0.224 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 124.3x5.7 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12430-570-N70
General Purpose O-Rings - 124.3x5.7 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)
124.50
mm

(Equiv. 4.902 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 124.5x3 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12450-300-N70 (100 Pcs)
General Purpose O-Rings - 124.5x3 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 $109.23 AUD
Regular price Sale price $109.23 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
124.50
mm

(Equiv. 4.902 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 124.5x3 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12450-300-N70 (100 Pcs)
General Purpose O-Rings - 124.5x3 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 $109.23 AUD
Regular price Sale price $109.23 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
124.60
mm

(Equiv. 4.906 in.)
Section (t)
6.99
mm

(Equiv. 0.275 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 124.6x6.99 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12460-699-N70-625
General Purpose O-Rings - 124.6x6.99 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)
124.60
mm

(Equiv. 4.906 in.)
Section (t)
6.99
mm

(Equiv. 0.275 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 124.6x6.99 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12460-699-N70-625
General Purpose O-Rings - 124.6x6.99 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)
125.00
mm

(Equiv. 4.921 in.)
Section (t)
2.50
mm

(Equiv. 0.098 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 125x2.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12500-250-N70
General Purpose O-Rings - 125x2.5 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)
125.00
mm

(Equiv. 4.921 in.)
Section (t)
2.50
mm

(Equiv. 0.098 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 125x2.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12500-250-N70
General Purpose O-Rings - 125x2.5 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)
125.00
mm

(Equiv. 4.921 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 125x3 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12500-300-N70 (200 Pcs)
General Purpose O-Rings - 125x3 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 $165.32 AUD
Regular price Sale price $165.32 AUD
200 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
125.00
mm

(Equiv. 4.921 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 125x3 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12500-300-N70 (200 Pcs)
General Purpose O-Rings - 125x3 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 $165.32 AUD
Regular price Sale price $165.32 AUD
200 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.