Buy O-Rings Online * $0.50 Min * S&H as low as $6.00 * Next Day Air from $27.00 * FREE Ground on orders $150.00+ to the U.S.

8am-4pm Pacific Mon-Fri | 208-413-6377

Categories


-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
AS568-349 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50349

AS568-349 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

4-1/2"ID X 4-7/8"OD X 3/16"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
0
$3.83

Add:
Min:  53
Quantity Discounts
53-121$3.83
122-783$2.87
784+$1.92
AS568-350 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50350

AS568-350 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

4-5/8"ID X 5"OD X 3/16"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
0
$3.93

Add:
Min:  51
Quantity Discounts
51-118$3.93
119-763$2.95
764+$1.97
AS568-351 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50351

AS568-351 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

4-3/4"ID X 5-1/8"OD X 3/16"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
0
$3.99

Add:
Min:  51
Quantity Discounts
51-116$3.99
117-751$2.99
752+$2.00
AS568-352 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50352

AS568-352 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

4-7/8"ID X 5-1/4"OD X 3/16"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
0
$4.13

Add:
Min:  49
Quantity Discounts
49-112$4.13
113-726$3.10
727+$2.07
AS568-353 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50353

AS568-353 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

5"ID X 5-3/8"OD X 3/16"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
0
$5.10

Add:
Min:  40
Quantity Discounts
40-91$5.10
92-588$3.83
589+$2.55
AS568-354 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50354

AS568-354 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

5-1/8"ID X 5-1/2"OD X 3/16"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
3
$5.12

Add:

Quantity Discounts
1-91$5.12
92-585$3.84
586+$2.56
AS568-355 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50355

AS568-355 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
$5.14

Add:
Min:  39
Quantity Discounts
39-90$5.14
91-583$3.86
584+$2.57
AS568-356 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50356

AS568-356 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
$5.16

Add:
Min:  39
Quantity Discounts
39-90$5.16
91-581$3.87
582+$2.58
AS568-357 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50357

AS568-357 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

5-1/2"ID X 5-7/8"OD X 3/16"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
0
$5.25

Add:
Min:  39
Quantity Discounts
39-88$5.25
89-571$3.94
572+$2.63
AS568-358 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50358

AS568-358 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

5-5/8"ID X 6"OD X 3/16"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
25
$5.27

Add:

Quantity Discounts
1-88$5.27
89-569$3.95
570+$2.64
AS568-359 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50359

AS568-359 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...
15
$5.34

Add:

Quantity Discounts
1-87$5.34
88-561$4.01
562+$2.67
AS568-360 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50360

AS568-360 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
$5.52

Add:
Min:  37
Quantity Discounts
37-84$5.52
85-543$4.14
544+$2.76
AS568-361 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50361

AS568-361 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...
7
$5.52

Add:

Quantity Discounts
1-84$5.52
85-543$4.14
544+$2.76
AS568-362 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50362

AS568-362 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
$5.57

Add:
Min:  36
Quantity Discounts
36-83$5.57
84-538$4.18
539+$2.79
AS568-363 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50363

AS568-363 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
$5.74

Add:
Min:  35
Quantity Discounts
35-81$5.74
82-522$4.31
523+$4.31
AS568-364 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50364

AS568-364 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
$5.88

Add:
Min:  35
Quantity Discounts
35-79$5.88
80-510$4.41
511+$2.94
AS568-365 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50365

AS568-365 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
$8.70

Add:
Min:  23
Quantity Discounts
23-53$8.70
54-344$6.53
345+$4.35
AS568-366 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50366

AS568-366 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
$8.93

Add:
Min:  23
Quantity Discounts
23-52$8.93
53-335$6.70
336+$4.47
AS568-367 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50367

AS568-367 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...
1
$9.03

Add:

Quantity Discounts
1-51$9.03
52-332$6.77
333+$4.52
AS568-368 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50368

AS568-368 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
$9.17

Add:
Min:  22
Quantity Discounts
22-50$9.17
51-327$6.88
328+$4.59