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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 Qty. Price Quantity Discounts
30" to 36" ID X 0.139" (3.53mm) C/S Buna-N 50 Vulcanized O-Ring VN50.139-036

30" to 36" ID X 0.139" (3.53mm) C/S Buna-N 50 Vulcanized 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
$12.00



Quantity Discounts
1$12.00
2-11$10.80
12+$9.00
24" to 30" ID X 0.139" (3.53mm) C/S Buna-N 50 Vulcanized O-Ring VN50.139-030

24" to 30" ID X 0.139" (3.53mm) C/S Buna-N 50 Vulcanized 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
$10.00



Quantity Discounts
1$10.00
2-11$9.00
12+$7.50
18" to 24" ID X 0.139" (3.53mm) C/S Buna-N 50 Vulcanized O-Ring VN50.139-024

18" to 24" ID X 0.139" (3.53mm) C/S Buna-N 50 Vulcanized 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
$9.00



Quantity Discounts
1$9.00
2-11$8.10
12+$6.75
12" to 18" ID X 0.139" (3.53mm) C/S Buna-N 50 Vulcanized O-Ring VN50.139-018

12" to 18" ID X 0.139" (3.53mm) C/S Buna-N 50 Vulcanized 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
$8.00



Quantity Discounts
1$8.00
2-11$7.20
12+$6.00
5" to 12" ID X 0.139" (3.53mm) C/S Buna-N 50 Vulcanized O-Ring VN50.139-012

5" to 12" ID X 0.139" (3.53mm) C/S Buna-N 50 Vulcanized 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
$7.00



Quantity Discounts
1$7.00
2-11$6.30
12+$5.25
-284 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50284

-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:  17
Quantity Discounts
17-44$15.02
45-332$11.27
333+$7.51
-283 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50283

-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:  17
Quantity Discounts
17-45$14.77
46-338$11.08
339+$7.39
-282 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50282

-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:  18
Quantity Discounts
18-45$14.57
46-342$10.93
343+$7.29
-281 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50281

-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:  21
Quantity Discounts
21-53$12.39
54-403$9.29
404+$6.20
-280 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50280

-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:  21
Quantity Discounts
21-54$31.44
55-406$23.58
407+$15.72
-279 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50279

-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
1-3$12.22
4-20$9.17
21+$6.11
-278 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50278

-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:  21
Quantity Discounts
21-54$30.19
55-409$22.64
410+$15.10
-277 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50277

-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
1-3$12.16
4-22$9.12
23+$6.08
-276 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50276

-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
1-3$10.72
4-22$8.04
23+$5.36
-275 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50275

-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:  38
Quantity Discounts
38-101$6.60
102-757$4.95
758+$3.30
-274 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50274

-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...
73
$6.44

Add:

Quantity Discounts
1-5$6.44
6-30$4.83
31+$3.22
-273 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50273

-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:  40
Quantity Discounts
40-104$6.36
105-786$4.77
787+$3.18
-272 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50272

-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:  40
Quantity Discounts
40-105$6.32
106-791$4.74
792+$3.16
-271 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50271

-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:  40
Quantity Discounts
40-106$6.28
107-796$4.71
797+$3.14
-270 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50270

-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:  41
Quantity Discounts
41-106$6.24
107-801$4.68
802+$3.12