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-400 Series -1/4" CS - 0.275" CS

A general purpose, sulfur-cured Buna-N Nitrile O-Ring, the most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of Butadiene and Acrylonitirle. More than 50% of the Orings sold are Buna-N Nitrile Orings, commonly used in hydraulic/pneumatic motors, cylinders, pumps and valves.

Operating temperature: -40° to +250°F




Image Model Item Name Qty.+ Price Quantity Discounts
-444 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70444

-444 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

7 3/4"ID X 8 1/4"OD X 1/4"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
-25
$1.29

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Quantity Discounts
1-36$1.29
37-232$0.97
233+$0.65
-401 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70401

-401 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

1-1/2"ID X 2"OD X 1/4"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
0
$2.50

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Quantity Discounts
1-18$2.50
19-119$1.88
120+$1.25
-413 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70413

-413 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

3"ID X 3-1/2"OD X 1/4"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
0
$2.50

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Quantity Discounts
1-18$2.50
19-119$1.88
120+$1.25
-435 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70435

-435 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

5 3/4"ID X 6 1/4"OD X 1/4"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
0
$0.94

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Quantity Discounts
1-49$0.94
50-319$0.71
320+$0.47
12" to 18" ID X 0.275" (7.00mm) C/S Buna-N 70 Vulcanized O-Ring VN70.275-018

12" to 18" ID X 0.275" (7.00mm) C/S Buna-N 70 Vulcanized O-Ring

300mm ID to 450mm ID / 12" to 18" ID Spliced & Vulcanized O-Rings - Typical lead time is 3-5 days to ship. Spliced and vulcanized...
0
$6.75



Quantity Discounts
1$6.75
2-9$6.08
10+$5.06
18" to 24" ID X 0.275" (7.00mm) C/S Buna-N 70 Vulcanized O-Ring VN70.275-024

18" to 24" ID X 0.275" (7.00mm) C/S Buna-N 70 Vulcanized O-Ring

450mm ID to 600mm ID / 18" to 24" ID Spliced & Vulcanized O-Rings - Typical lead time is 3-5 days to ship. Spliced and vulcanized...
0
$7.00



Quantity Discounts
1$7.00
2-9$6.30
10+$5.25
24" to 30" ID X 0.275" (7.00mm) C/S Buna-N 70 Vulcanized O-Ring VN70.275-030

24" to 30" ID X 0.275" (7.00mm) C/S Buna-N 70 Vulcanized O-Ring

600mm ID to 762mm / 24" to 30" ID Spliced & Vulcanized O-Rings - Typical lead time is 3-5 days to ship. Spliced and vulcanized o-rings...
0
$7.50



Quantity Discounts
1$7.50
2-9$6.75
10+$5.63
30" to 36" ID X 0.275" (7.00mm) C/S Buna-N 70 Vulcanized O-Ring VN70.275-036

30" to 36" ID X 0.275" (7.00mm) C/S Buna-N 70 Vulcanized O-Ring

762mm ID to 914mm ID / 30" to 36" ID Spliced & Vulcanized O-Rings - Typical lead time is 3-5 days to ship. Spliced and vulcanized...
0
$7.75



Quantity Discounts
1$7.75
2-9$6.98
10+$5.81
5" to 12" ID X 0.275" (7.00mm) C/S Buna-N 70 Vulcanized O-Ring VN70.275-012

5" to 12" ID X 0.275" (7.00mm) C/S Buna-N 70 Vulcanized O-Ring

125mm ID to 300mm ID / 5" to 12" ID Spliced & Vulcanized O-Rings - Typical lead time is 3-5 days to ship. Spliced and vulcanized...
0
$6.50



Quantity Discounts
1$6.50
2-9$5.85
10+$4.88
-403 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70403

-403 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

1-3/4"ID X 2-1/4"OD X 1/4"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
1
$2.50

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Quantity Discounts
1-18$2.50
19-119$1.88
120+$1.25
-450 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70450

-450 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

10 1/2"ID X 11"OD X 1/4"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
3
$2.28

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Quantity Discounts
1-20$2.28
21-131$1.71
132+$1.14
-465 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70465

-465 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

18"ID X 18 1/2"OD X 1/4"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
3
$4.43

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Quantity Discounts
1-10$4.43
11-67$3.32
68+$2.22
-468 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70468

-468 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

19-1/2"ID X 20"OD X 1/4"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
4
$5.73

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Quantity Discounts
1-8$5.73
9-52$4.30
53+$2.87
-475 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70475

-475 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

26"ID X 26-1/2"OD X 1/4"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
4
$12.76

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Quantity Discounts
1-3$12.76
4-23$9.57
24+$6.38
-471 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70471

-471 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

22"ID X 22-1/2"OD X 1/4"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
5
$10.47

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Quantity Discounts
1-4$10.47
5-28$7.85
29+$5.24
-472 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70472

-472 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

23"ID X 23-1/2"OD X 1/4"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
5
$11.99

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Quantity Discounts
1-3$11.99
4-25$8.99
26+$6.00
-473 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70473

-473 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

24"ID X 24 1/2"OD X 1/4"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
5
$13.37

Add:

Quantity Discounts
1-3$13.37
4-22$10.03
23+$6.69
-474 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70474

-474 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

25"ID X 25-1/2"OD X 1/4"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
5
$12.52

Add:

Quantity Discounts
1-3$12.52
4-23$9.39
24+$6.26
-404 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70404

-404 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

O-ring Size: 1-7/8"ID X 2-3/8"OD X 1/4"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products....
6
$2.50

Add:

Quantity Discounts
1-18$2.50
19-119$1.88
120+$1.25
-411 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70411

-411 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

2-3/4"ID X 3-1/4"OD X 1/4"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
6
$2.50

Add:

Quantity Discounts
1-18$2.50
19-119$1.88
120+$1.25