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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
-309 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50309

-309 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

7/16"ID X 13/16"OD X 3/16"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
0
$0.42

Add:
Min:  239
Quantity Discounts
239-649$0.42
650-4,901$0.32
4,902+$0.21
-310 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50310

-310 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

1/2"ID X 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 as...
0
$0.48

Add:
Min:  209
Quantity Discounts
209-649$0.48
650-4,901$0.36
4,902+$0.24
-311 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50311

-311 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

9/16"ID X 15/16"OD X 3/16"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
2000
$0.51

Add:
Min:  197
Quantity Discounts
197-649$0.51
650-4,901$0.38
4,902+$0.26
-312 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50312

-312 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

5/8"ID X 1"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
$0.56

Add:
Min:  179
Quantity Discounts
179-531$0.56
532-3,968$0.42
3,969+$0.28
-313 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50313

-313 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

11/16"ID X 1-1/16"OD X 3/16"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also...
0
$0.61

Add:
Min:  164
Quantity Discounts
164-531$0.61
532-3,968$0.46
3,969+$0.31
-314 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50314

-314 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

3/4"ID X 1-1/8"OD X 3/16"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
0
$0.64

Add:
Min:  157
Quantity Discounts
157-617$0.64
618-4,629$0.48
4,630+$0.32
-315 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50315

-315 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

13/16"ID X 1-3/16"OD X 3/16"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also...
0
$0.68

Add:
Min:  148
Quantity Discounts
148-602$0.68
603-4,545$0.51
4,546+$0.34
-316 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50316

-316 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

7/8"ID X 1-1/4"OD X 3/16"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
0
$0.71

Add:
Min:  141
Quantity Discounts
141-595$0.71
596-4,464$0.53
4,465+$0.36
-317 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50317

-317 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

15/16"ID X 1-5/16"OD X 3/16"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also...
0
$0.79

Add:
Min:  127
Quantity Discounts
127-581$0.79
582-4,385$0.59
4,386+$0.40
-318 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50318

-318 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

1"ID X 1-3/8"OD X 3/16"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
377
$0.85

Add:

Quantity Discounts
1-574$0.85
575-4,310$0.64
4,311+$0.43
-319 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50319

-319 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

1-1/16"ID X 1-7/16"OD X 3/16"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also...
0
$0.86

Add:
Min:  117
Quantity Discounts
117-561$0.86
562-4,237$0.65
4,238+$0.43
-320 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50320

-320 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

1-1/8"ID X 1-1/2"OD X 3/16"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
0
$0.91

Add:
Min:  110
Quantity Discounts
110-555$0.91
556-4,166$0.68
4,167+$0.46
-321 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50321

-321 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...
-104
$0.97

Add:
Min:  104
Quantity Discounts
104-543$0.97
544-4,098$0.73
4,099+$0.49
-322 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50322

-322 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

1-1/4"ID X 1-5/8"OD X 3/16"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
111
$1.00

Add:

Quantity Discounts
1-26$1.00
27-161$0.75
162+$0.50
-323 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50323

-323 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

1-5/16"ID X 1-11/16"OD X 3/16"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also...
-9
$1.03

Add:

Quantity Discounts
1-526$1.03
527-3,968$0.77
3,969+$0.52
-324 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50324

-324 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

1-3/8"ID X 1-3/4"OD X 3/16"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
2982
$1.16

Add:

Quantity Discounts
1-520$1.16
521-3,906$0.87
3,907+$0.58
-325 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50325

-325 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

1-1/2"ID X 1-7/8"OD X 3/16"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
28
$1.17

Add:

Quantity Discounts
1-510$1.17
511-3,846$0.88
3,847+$0.59
-326 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50326

-326 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

1-5/8"ID X 2"OD X 3/16"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
64
$1.38

Add:

Quantity Discounts
1-505$1.38
506-3,787$1.04
3,788+$0.69
-327 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50327

-327 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

1-3/4"ID X 2-1/8"OD X 3/16"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
52
$1.45

Add:

Quantity Discounts
1-495$1.45
496-3,731$1.09
3,732+$0.73
-328 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50328

-328 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

1-7/8"ID X 2-1/4"OD X 3/16"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
68
$1.45

Add:

Quantity Discounts
1-24$1.45
25-147$1.09
148+$0.73