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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 Qty. Price Quantity Discounts
-369 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50369

-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
$3.65

Add:
Min:  69
Quantity Discounts
69-182$3.65
183-1,366$2.74
1,367+$1.83
-370 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50370

-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
$3.76

Add:
Min:  67
Quantity Discounts
67-177$3.76
178-1,329$2.82
1,330+$1.88
-371 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50371

-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
$3.87

Add:
Min:  65
Quantity Discounts
65-171$3.87
172-1,288$2.90
1,289+$1.94
-372 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50372

-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
$3.98

Add:
Min:  63
Quantity Discounts
63-167$3.98
168-1,256$2.99
1,257+$1.99
-373 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50373

-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
$4.09

Add:
Min:  62
Quantity Discounts
62-162$4.09
163-1,219$3.07
1,220+$2.05
-374 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50374

-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
$4.20

Add:
Min:  60
Quantity Discounts
60-158$4.20
159-1,190$3.15
1,191+$2.10
-375 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50375

-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
$4.31

Add:
Min:  59
Quantity Discounts
59-154$4.31
155-1,157$3.23
1,158+$2.16
-376 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50376

-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
$4.42

Add:

Quantity Discounts
1-150$4.42
151-1,131$3.32
1,132+$2.21
-377 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50377

-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
$5.34

Add:
Min:  47
Quantity Discounts
47-124$5.34
125-936$4.01
937+$2.67
-378 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50378

-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
$6.26

Add:
Min:  40
Quantity Discounts
40-106$6.26
107-798$4.70
799+$3.13
-379 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50379

-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
$7.18

Add:
Min:  35
Quantity Discounts
35-92$7.18
93-696$5.39
697+$3.59
-380 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50380

-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
$8.10

Add:
Min:  31
Quantity Discounts
31-82$8.10
83-617$6.08
618+$4.05
-381 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50381

-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
$9.02

Add:
Min:  28
Quantity Discounts
28-73$9.02
74-554$6.77
555+$4.51
-382 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50382

-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
$9.94

Add:
Min:  26
Quantity Discounts
26-67$9.94
68-503$7.46
504+$4.97
-383 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50383

-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
$10.86

Add:
Min:  24
Quantity Discounts
24-61$10.86
62-460$8.15
461+$5.43
-384 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50384

-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
$11.78

Add:
Min:  22
Quantity Discounts
22-56$11.78
57-424$8.84
425+$5.89
-385 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50385

-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
$12.70

Add:
Min:  20
Quantity Discounts
20-52$12.70
53-393$9.53
394+$6.35
-386 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50386

-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
$13.62

Add:
Min:  19
Quantity Discounts
19-48$13.62
49-367$10.22
368+$6.81
-387 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50387

-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
$14.54

Add:
Min:  18
Quantity Discounts
18-45$14.54
46-343$10.91
344+$7.27
-388 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50388

-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
$15.46

Add:
Min:  17
Quantity Discounts
17-43$15.46
44-323$11.60
324+$7.73