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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
$2.34

Add:
Min:  246
Quantity Discounts
246-649$2.34
650-4,901$1.76
4,902+$1.17
-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
$2.34

Add:
Min:  246
Quantity Discounts
246-649$2.34
650-4,901$1.76
4,902+$1.17
-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...
0
$1.02

Add:

Quantity Discounts
1-649$1.02
650-4,901$0.77
4,902+$0.51
-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
$1.04

Add:
Min:  241
Quantity Discounts
241-531$1.04
532-3,968$0.78
3,969+$0.52
-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
$2.34

Add:
Min:  236
Quantity Discounts
236-531$2.34
532-3,968$1.76
3,969+$1.17
-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
$3.75

Add:
Min:  232
Quantity Discounts
232-617$3.75
618-4,629$2.81
4,630+$1.88
-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
$3.75

Add:
Min:  228
Quantity Discounts
228-602$3.75
603-4,545$2.81
4,546+$1.88
-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
$1.12

Add:
Min:  224
Quantity Discounts
224-595$1.12
596-4,464$0.84
4,465+$0.56
-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
$3.75

Add:
Min:  220
Quantity Discounts
220-581$3.75
582-4,385$2.81
4,386+$1.88
-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
$1.16

Add:

Quantity Discounts
1-574$1.16
575-4,310$0.87
4,311+$0.58
-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
$3.75

Add:
Min:  212
Quantity Discounts
212-561$3.75
562-4,237$2.81
4,238+$1.88
-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
$3.75

Add:
Min:  209
Quantity Discounts
209-555$3.75
556-4,166$2.81
4,167+$1.88
-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...
0
$3.75

Add:
Min:  205
Quantity Discounts
205-543$3.75
544-4,098$2.81
4,099+$1.88
-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...
126
$1.24

Add:

Quantity Discounts
1-26$1.24
27-161$0.93
162+$0.62
-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...
0
$1.26

Add:

Quantity Discounts
1-526$1.26
527-3,968$0.95
3,969+$0.63
-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...
2992
$1.28

Add:

Quantity Discounts
1-520$1.28
521-3,906$0.96
3,907+$0.64
-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
$1.30

Add:

Quantity Discounts
1-510$1.30
511-3,846$0.98
3,847+$0.65
-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...
66
$1.32

Add:

Quantity Discounts
1-505$1.32
506-3,787$0.99
3,788+$0.66
-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
$1.34

Add:

Quantity Discounts
1-495$1.34
496-3,731$1.01
3,732+$0.67
-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...
70
$1.36

Add:

Quantity Discounts
1-490$1.36
491-3,676$1.02
3,677+$0.68