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-300 Series - 0.210 - 3/16" 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
AS568-369 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50369

AS568-369 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
$9.46

Add:
Min:  22
Quantity Discounts
22-49$9.46
50-317$7.10
318+$4.73
AS568-370 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50370

AS568-370 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
$9.51

Add:
Min:  22
Quantity Discounts
22-49$9.51
50-315$7.13
316+$4.76
AS568-371 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50371

AS568-371 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
$9.57

Add:
Min:  21
Quantity Discounts
21-48$9.57
49-313$7.18
314+$4.79
AS568-372 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50372

AS568-372 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
$9.68

Add:
Min:  21
Quantity Discounts
21-48$9.68
49-309$7.26
310+$4.84
AS568-373 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50373

AS568-373 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
$9.78

Add:
Min:  21
Quantity Discounts
21-47$9.78
48-306$7.34
307+$4.89
AS568-374 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50374

AS568-374 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
$9.87

Add:
Min:  21
Quantity Discounts
21-47$9.87
48-303$7.40
304+$4.94
AS568-375 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50375

AS568-375 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
$9.96

Add:
Min:  21
Quantity Discounts
21-46$9.96
47-301$7.47
302+$4.98
AS568-376 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50376

AS568-376 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...
8
$10.13

Add:

Quantity Discounts
1-46$10.13
47-296$7.60
297+$5.07
AS568-377 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50377

AS568-377 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
$10.29

Add:
Min:  20
Quantity Discounts
20-45$10.29
46-291$7.72
292+$5.15
AS568-378 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50378

AS568-378 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
$17.76

Add:
Min:  12
Quantity Discounts
12-26$17.76
27-168$13.32
169+$8.88
AS568-379 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50379

AS568-379 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
$17.87

Add:
Min:  12
Quantity Discounts
12-26$17.87
27-167$13.40
168+$8.94
AS568-380 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50380

AS568-380 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
$18.45

Add:
Min:  11
Quantity Discounts
11-25$18.45
26-162$13.84
163+$9.23
AS568-381 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50381

AS568-381 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
$18.70

Add:
Min:  11
Quantity Discounts
11-24$18.70
25-160$14.03
161+$9.35
AS568-382 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50382

AS568-382 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
$19.06

Add:
Min:  11
Quantity Discounts
11-24$19.06
25-157$14.30
158+$9.53
AS568-383 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50383

AS568-383 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
$19.78

Add:
Min:  11
Quantity Discounts
11-23$19.78
24-151$14.84
152+$9.89
AS568-384 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50384

AS568-384 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
$20.43

Add:
Min:  10
Quantity Discounts
10-22$20.43
23-146$15.32
147+$10.22
AS568-385 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50385

AS568-385 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
$20.71

Add:
Min:  10
Quantity Discounts
10-22$20.71
23-144$15.53
145+$10.36
AS568-386 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50386

AS568-386 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
$33.86

Add:
Min:  6
Quantity Discounts
6-13$33.86
14-88$25.40
89+$16.93
AS568-387 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50387

AS568-387 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
$34.26

Add:
Min:  6
Quantity Discounts
6-13$34.26
14-87$25.70
88+$17.13
AS568-388 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50388

AS568-388 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
$34.62

Add:
Min:  6
Quantity Discounts
6-13$34.62
14-86$25.97
87+$17.31