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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
-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
-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
-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...
0
$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
-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
-329 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50329

-329 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

2"ID X 2-3/8"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
$1.66

Add:
Min:  61
Quantity Discounts
61-480$1.66
481-3,623$1.25
3,624+$0.83
-334 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50334

-334 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
$2.07

Add:
Min:  49
Quantity Discounts
49-450$2.07
451-3,378$1.55
3,379+$1.04
-335 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50335

-335 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

2-3/4"ID X 3-1/8"OD X 3/16"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
0
$2.16

Add:
Min:  47
Quantity Discounts
47-442$2.16
443-3,333$1.62
3,334+$1.08
-337 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50337

-337 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

3"ID X 3-3/8"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
$2.25

Add:
Min:  45
Quantity Discounts
45-431$2.25
432-3,246$1.69
3,247+$1.13
-339 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50339

-339 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

3-1/4"ID X 3-5/8"OD X 3/16"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
0
$2.73

Add:
Min:  37
Quantity Discounts
37-409$2.73
410-3,086$2.05
3,087+$1.37
-340 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50340

-340 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

3-3/8"ID X 3-3/4"OD X 3/16"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
0
$2.75

Add:
Min:  37
Quantity Discounts
37-396$2.75
397-2,976$2.06
2,977+$1.38
-343 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50343

-343 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

3-3/4"ID X 4-1/8"OD X 3/16"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
0
$3.45

Add:
Min:  29
Quantity Discounts
29-362$3.45
363-2,717$2.59
2,718+$1.73