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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:  477
Quantity Discounts
477-1,111$0.42
1,112-7,142$0.32
7,143+$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:  417
Quantity Discounts
417-972$0.48
973-6,249$0.36
6,250+$0.24
-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:  358
Quantity Discounts
358-833$0.56
834-5,357$0.42
5,358+$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:  328
Quantity Discounts
328-765$0.61
766-4,918$0.46
4,919+$0.31
-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:  295
Quantity Discounts
295-686$0.68
687-4,411$0.51
4,412+$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:  282
Quantity Discounts
282-657$0.71
658-4,225$0.53
4,226+$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:  254
Quantity Discounts
254-590$0.79
591-3,797$0.59
3,798+$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:  233
Quantity Discounts
233-542$0.86
543-3,488$0.65
3,489+$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:  220
Quantity Discounts
220-512$0.91
513-3,296$0.68
3,297+$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...
0
$0.97

Add:
Min:  207
Quantity Discounts
207-481$0.97
482-3,092$0.73
3,093+$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...
0
$1.03

Add:

Quantity Discounts
1-453$1.03
454-2,912$0.77
2,913+$0.52
-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:  121
Quantity Discounts
121-281$1.66
282-1,807$1.25
1,808+$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:  97
Quantity Discounts
97-225$2.07
226-1,449$1.55
1,450+$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:  93
Quantity Discounts
93-216$2.16
217-1,388$1.62
1,389+$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:  89
Quantity Discounts
89-207$2.25
208-1,333$1.69
1,334+$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:  74
Quantity Discounts
74-170$2.73
171-1,098$2.05
1,099+$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:  73
Quantity Discounts
73-169$2.75
170-1,090$2.06
1,091+$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:  58
Quantity Discounts
58-135$3.45
136-869$2.59
870+$1.73
-346 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50346

-346 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

4-1/8"ID X 4-1/2"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:  54
Quantity Discounts
54-124$3.75
125-799$2.81
800+$1.88
-347 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50347

-347 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
$3.79

Add:
Min:  53
Quantity Discounts
53-123$3.79
124-791$2.84
792+$1.90