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-200 Series - 0.139 - 1/8" CS

50 Durometer, Commercial Grade Soft Buna-N

Designed for applications requiring soft O-ring sealing material. Primarily used as a low pressure static seal or gasket. B50 O-rings not in stock may take up to 7 weeks to ship. 6" ID & larger Vulcanized O-Rings available to reduce delivery times and minimum orders. Link to order B50 Vulcanized O-Rings.

Size not listed, special requirements or large quantities please click this link to Request a Price Quote.

 




Image Model- Item Name Stock Price Quantity Discounts
30" to 36" ID X 0.139" (3.53mm) C/S Buna-N 50 Cold Bonded O-Ring VN50.139-036

30" to 36" ID X 0.139" (3.53mm) C/S Buna-N 50 Cold Bonded O-Ring

Rubber Toughened Cyanoacrylate Bonded Buna-N 50 Duro O-Rings: The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or...
0
$12.00



Quantity Discounts
1$12.00
2-9$10.80
10+$9.00
24" to 30" ID X 0.139" (3.53mm) C/S Buna-N 50 Cold Bonded O-Ring VN50.139-030

24" to 30" ID X 0.139" (3.53mm) C/S Buna-N 50 Cold Bonded O-Ring

Rubber Toughened Cyanoacrylate Bonded Buna-N 50 Duro O-Rings: The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or...
0
$10.00



Quantity Discounts
1$10.00
2-9$9.00
10+$7.50
18" to 24" ID X 0.139" (3.53mm) C/S Buna-N 50 Cold Bonded O-Ring VN50.139-024

18" to 24" ID X 0.139" (3.53mm) C/S Buna-N 50 Cold Bonded O-Ring

Rubber Toughened Cyanoacrylate Bonded Buna-N 50 Duro O-Rings: The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or...
0
$9.00



Quantity Discounts
1$9.00
2-9$8.10
10+$6.75
12" to 18" ID X 0.139" (3.53mm) C/S Buna-N 50 Cold Bonded O-Ring VN50.139-018

12" to 18" ID X 0.139" (3.53mm) C/S Buna-N 50 Cold Bonded O-Ring

Rubber Toughened Cyanoacrylate Bonded Buna-N 50 Duro O-Rings: The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or...
0
$8.00



Quantity Discounts
1$8.00
2-9$7.20
10+$6.00
5" to 12" ID X 0.139" (3.53mm) C/S Buna-N 50 Cold Bonded O-Ring VN50.139-012

5" to 12" ID X 0.139" (3.53mm) C/S Buna-N 50 Cold Bonded O-Ring

Rubber Toughened Cyanoacrylate Bonded Buna-N 50 Duro O-Rings: The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or...
0
$7.00



Quantity Discounts
1$7.00
2-9$6.30
10+$5.25
AS568-284 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50284

AS568-284 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of...
0
$15.02

Add:
Min:  14
Quantity Discounts
14-31$15.02
32-199$11.27
200+$7.51
AS568-283 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50283

AS568-283 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of...
0
$14.77

Add:
Min:  14
Quantity Discounts
14-31$14.77
32-203$11.08
204+$7.39
AS568-282 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50282

AS568-282 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of...
0
$14.57

Add:
Min:  14
Quantity Discounts
14-32$14.57
33-205$10.93
206+$7.29
AS568-281 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50281

AS568-281 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of...
0
$12.39

Add:
Min:  17
Quantity Discounts
17-37$12.39
38-242$9.29
243+$6.20
AS568-280 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50280

AS568-280 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of...
0
$31.44

Add:
Min:  7
Quantity Discounts
7-14$31.44
15-95$23.58
96+$15.72
AS568-279 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50279

AS568-279 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of...
31
$12.22

Add:

Quantity Discounts
1-38$12.22
39-245$9.17
246+$6.11
AS568-278 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50278

AS568-278 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of...
0
$30.19

Add:
Min:  7
Quantity Discounts
7-15$30.19
16-99$22.64
100+$15.10
AS568-277 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50277

AS568-277 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of...
58
$12.16

Add:

Quantity Discounts
1-38$12.16
39-246$9.12
247+$6.08
AS568-276 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50276

AS568-276 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of...
57
$10.72

Add:

Quantity Discounts
1-43$10.72
44-279$8.04
280+$5.36
AS568-275 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50275

AS568-275 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of...
0
$6.60

Add:
Min:  31
Quantity Discounts
31-70$6.60
71-454$4.95
455+$3.30
AS568-274 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50274

AS568-274 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of...
72
$6.44

Add:

Quantity Discounts
1-72$6.44
73-465$4.83
466+$3.22
AS568-273 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50273

AS568-273 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of...
0
$6.36

Add:
Min:  32
Quantity Discounts
32-73$6.36
74-471$4.77
472+$3.18
AS568-272 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50272

AS568-272 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of...
0
$6.32

Add:
Min:  32
Quantity Discounts
32-73$6.32
74-474$4.74
475+$3.16
AS568-271 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50271

AS568-271 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of...
0
$6.28

Add:
Min:  32
Quantity Discounts
32-74$6.28
75-477$4.71
478+$3.14
AS568-270 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50270

AS568-270 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of...
0
$6.24

Add:
Min:  33
Quantity Discounts
33-74$6.24
75-480$4.68
481+$3.12