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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
-221 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50221

-221 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

1-7/16"ID X 1-11/16"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also...
6508
$0.46

Add:
Min:  2
Quantity Discounts
2-101$0.46
102-652$0.35
653+$0.23
-222 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50222

-222 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

1-1/2"ID X 1-3/4"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
40
$0.49

Add:
Min:  2
Quantity Discounts
2-95$0.49
96-612$0.37
613+$0.25
-223 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50223

-223 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

1-5/8"ID X 1-7/8"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
2827
$0.55

Add:

Quantity Discounts
1-84$0.55
85-545$0.41
546+$0.28
-224 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50224

-224 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

1-3/4"ID X 2"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
4631
$0.62

Add:

Quantity Discounts
1-75$0.62
76-483$0.47
484+$0.31
-225 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50225

-225 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

1-7/8"ID X 2-1/8"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
3921
$0.66

Add:

Quantity Discounts
1-70$0.66
71-454$0.50
455+$0.33
-226 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50226

-226 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

2"ID X 2-1/4"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
348
$0.73

Add:

Quantity Discounts
1-63$0.73
64-410$0.55
411+$0.37
-227 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50227

-227 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

2-1/8"ID X 2-3/8"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
68
$0.76

Add:

Quantity Discounts
1-61$0.76
62-394$0.57
395+$0.38
-228 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50228

-228 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

2-1/4"ID X 2-1/2"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
539
$0.88

Add:

Quantity Discounts
1-53$0.88
54-340$0.66
341+$0.44
-229 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50229

-229 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

2-3/8"ID X 2-5/8"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
42
$0.89

Add:

Quantity Discounts
1-52$0.89
53-337$0.67
338+$0.45
-230 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50230

-230 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

2-1/2"ID X 2-3/4"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
14
$1.01

Add:

Quantity Discounts
1-46$1.01
47-297$0.76
298+$0.51
-231 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50231

-231 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

2-5/8"ID X 2-7/8"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
32
$1.05

Add:

Quantity Discounts
1-44$1.05
45-285$0.79
286+$0.53
-232 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50232

-232 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

2-3/4"ID X 3"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
9
$1.08

Add:

Quantity Discounts
1-43$1.08
44-277$0.81
278+$0.54
-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
-234 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50234

-234 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

3"ID X 3-1/4"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
14
$1.28

Add:

Quantity Discounts
1-36$1.28
37-234$0.96
235+$0.64
-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
-236 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50236

-236 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

3-1/4"ID X 3-1/2"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
120
$1.35

Add:

Quantity Discounts
1-34$1.35
35-222$1.01
223+$0.68
-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
-238 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50238

-238 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

3-1/2"ID X 3-3/4"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
273
$1.38

Add:

Quantity Discounts
1-338$1.38
339-2,173$1.04
2,174+$0.69
-239 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50239

-239 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

3-5/8"ID X 3-7/8"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
7
$1.41

Add:

Quantity Discounts
1-330$1.41
331-2,127$1.06
2,128+$0.71
-240 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50240

-240 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

3-3/4"ID X 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...
31
$1.74

Add:

Quantity Discounts
1-268$1.74
269-1,724$1.31
1,725+$0.87