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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
-261 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50261

-261 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...
-10
$3.44

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Quantity Discounts
1-8$3.44
9-51$2.58
52+$1.72
-262 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50262

-262 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...
86
$3.45

Add:

Quantity Discounts
1-8$3.45
9-49$2.59
50+$1.73
-263 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50263

-263 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
$5.77

Add:
Min:  44
Quantity Discounts
44-115$5.77
116-865$4.33
866+$2.89
-264 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50264

-264 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...
4
$5.79

Add:

Quantity Discounts
1-7$5.79
8-45$4.34
46+$2.90
-265 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50265

-265 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
$5.98

Add:
Min:  42
Quantity Discounts
42-111$5.98
112-836$4.49
837+$2.99
-266 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50266

-266 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
$6.06

Add:
Min:  42
Quantity Discounts
42-109$6.06
110-825$4.55
826+$3.03
-267 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50267

-267 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
$6.15

Add:
Min:  41
Quantity Discounts
41-108$6.15
109-811$4.61
812+$3.08
-268 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50268

-268 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
$6.17

Add:
Min:  41
Quantity Discounts
41-107$6.17
108-809$4.63
810+$3.09
-269 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50269

-269 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
$6.20

Add:
Min:  41
Quantity Discounts
41-107$6.20
108-806$4.65
807+$3.10
-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
-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
-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
-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
-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
-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
-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
-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
-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
-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
-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