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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
-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...
-35
$5.77

Add:
Min:  35
Quantity Discounts
35-80$5.77
81-519$4.33
520+$2.89
-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...
-7
$30.19

Add:
Min:  7
Quantity Discounts
7-15$30.19
16-99$22.64
100+$15.10
-201 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50201

-201 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

9-3/4"ID X 9-15/16"OD X 3/32"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also...
0
$0.13

Add:
Min:  1539
Quantity Discounts
1539-3,589$0.13
3,590-23,076$0.10
23,077+$0.07
-203 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50203

-203 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

5/16"ID X 9/16"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
0
$0.14

Add:
Min:  1429
Quantity Discounts
1429-333$0.14
334-2,142$0.11
2,143+$0.07
-205 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50205

-205 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

7/16"ID X 11/16"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
0
$0.16

Add:
Min:  1250
Quantity Discounts
1250-291$0.16
292-1,874$0.12
1,875+$0.08
-213 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50213

-213 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

15/16"ID X 1-3/16"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
0
$0.29

Add:
Min:  2
Quantity Discounts
2-160$0.29
161-1,034$0.22
1,035+$0.15
-233 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50233

-233 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
$1.24

Add:

Quantity Discounts
1-37$1.24
38-241$0.93
242+$0.62
-235 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50235

-235 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

3-1/8"ID X 3-3/8"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
0
$1.32

Add:
Min:  152
Quantity Discounts
152-35$1.32
36-227$0.99
228+$0.66
-237 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50237

-237 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

3-3/8"ID X 3-5/8"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
0
$1.37

Add:
Min:  146
Quantity Discounts
146-340$1.37
341-2,189$1.03
2,190+$0.69
-242 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50242

-242 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

4"ID X 4-1/4"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
0
$1.77

Add:
Min:  113
Quantity Discounts
113-263$1.77
264-1,694$1.33
1,695+$0.89
-244 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50244

-244 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

4-1/4"ID X 4-1/2"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
0
$1.84

Add:
Min:  109
Quantity Discounts
109-253$1.84
254-1,630$1.38
1,631+$0.92
-245 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50245

-245 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

4-3/8"ID X 4-5/8"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
0
$1.87

Add:
Min:  107
Quantity Discounts
107-249$1.87
250-1,604$1.40
1,605+$0.94
-247 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50247

-247 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

4-5/8"ID X 4-7/8"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
0
$1.92

Add:
Min:  105
Quantity Discounts
105-243$1.92
244-1,562$1.44
1,563+$0.96
-248 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50248

-248 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

4-3/4"ID X 5"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
0
$1.94

Add:
Min:  104
Quantity Discounts
104-57$1.94
58-370$1.46
371+$0.97
-251 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50251

-251 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
$2.77

Add:
Min:  73
Quantity Discounts
73-168$2.77
169-1,083$2.08
1,084+$1.39
-257 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50257

-257 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
$2.92

Add:
Min:  69
Quantity Discounts
69-159$2.92
160-1,027$2.19
1,028+$1.46
-260 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50260

-260 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
$3.37

Add:
Min:  60
Quantity Discounts
60-138$3.37
139-890$2.53
891+$1.69
-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:  34
Quantity Discounts
34-78$5.98
79-501$4.49
502+$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:  34
Quantity Discounts
34-77$6.06
78-495$4.55
496+$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:  33
Quantity Discounts
33-75$6.15
76-487$4.61
488+$3.08