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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 Stock+ Price Quantity Discounts
AS568-258 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50258

AS568-258 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...
-5
$2.94

Add:
Min:  69
Quantity Discounts
69-158$2.94
159-1,020$2.21
1,021+$1.47
12" to 18" ID X 0.139" (3.53mm) C/S Buna-N 50 Cold Bonded O-Ring VN50.139-018

12" to 18" ID X 0.139" (3.53mm) C/S Buna-N 50 Cold Bonded O-Ring

Rubber Toughened Cyanoacrylate Bonded Buna-N 50 Duro O-Rings: The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or...
0
$8.00



Quantity Discounts
1$8.00
2-9$7.20
10+$6.00
18" to 24" ID X 0.139" (3.53mm) C/S Buna-N 50 Cold Bonded O-Ring VN50.139-024

18" to 24" ID X 0.139" (3.53mm) C/S Buna-N 50 Cold Bonded O-Ring

Rubber Toughened Cyanoacrylate Bonded Buna-N 50 Duro O-Rings: The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or...
0
$9.00



Quantity Discounts
1$9.00
2-9$8.10
10+$6.75
24" to 30" ID X 0.139" (3.53mm) C/S Buna-N 50 Cold Bonded O-Ring VN50.139-030

24" to 30" ID X 0.139" (3.53mm) C/S Buna-N 50 Cold Bonded O-Ring

Rubber Toughened Cyanoacrylate Bonded Buna-N 50 Duro O-Rings: The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or...
0
$10.00



Quantity Discounts
1$10.00
2-9$9.00
10+$7.50
30" to 36" ID X 0.139" (3.53mm) C/S Buna-N 50 Cold Bonded O-Ring VN50.139-036

30" to 36" ID X 0.139" (3.53mm) C/S Buna-N 50 Cold Bonded O-Ring

Rubber Toughened Cyanoacrylate Bonded Buna-N 50 Duro O-Rings: The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or...
0
$12.00



Quantity Discounts
1$12.00
2-9$10.80
10+$9.00
5" to 12" ID X 0.139" (3.53mm) C/S Buna-N 50 Cold Bonded O-Ring VN50.139-012

5" to 12" ID X 0.139" (3.53mm) C/S Buna-N 50 Cold Bonded O-Ring

Rubber Toughened Cyanoacrylate Bonded Buna-N 50 Duro O-Rings: The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or...
0
$7.00



Quantity Discounts
1$7.00
2-9$6.30
10+$5.25
AS568-201 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50201

AS568-201 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

9-3/4"ID X 9-15/16"OD X 3/32"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also...
0
$0.13

Add:
Min:  1539
Quantity Discounts
1539-3,589$0.13
3,590-23,076$0.10
23,077+$0.07
AS568-203 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50203

AS568-203 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

5/16"ID X 9/16"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
0
$0.14

Add:
Min:  1429
Quantity Discounts
1429-333$0.14
334-2,142$0.11
2,143+$0.07
AS568-205 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50205

AS568-205 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

7/16"ID X 11/16"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
0
$0.16

Add:
Min:  1250
Quantity Discounts
1250-291$0.16
292-1,874$0.12
1,875+$0.08
AS568-214 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50214

AS568-214 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

1"ID X 1-1/4"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
0
$0.32

Add:
Min:  2
Quantity Discounts
2-145$0.32
146-937$0.24
938+$0.16
AS568-220 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50220

AS568-220 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
$0.46

Add:
Min:  2
Quantity Discounts
2-101$0.46
102-652$0.35
653+$0.23
AS568-229 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50229

AS568-229 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...
0
$0.89

Add:

Quantity Discounts
1-52$0.89
53-337$0.67
338+$0.45
AS568-233 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50233

AS568-233 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
AS568-235 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50235

AS568-235 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
AS568-236 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50236

AS568-236 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...
0
$1.35

Add:

Quantity Discounts
1-34$1.35
35-222$1.01
223+$0.68
AS568-237 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50237

AS568-237 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
AS568-242 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50242

AS568-242 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

4"ID X 4-1/4"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
0
$1.77

Add:
Min:  113
Quantity Discounts
113-263$1.77
264-1,694$1.33
1,695+$0.89
AS568-244 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50244

AS568-244 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

4-1/4"ID X 4-1/2"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
0
$1.84

Add:
Min:  109
Quantity Discounts
109-253$1.84
254-1,630$1.38
1,631+$0.92
AS568-245 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50245

AS568-245 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

4-3/8"ID X 4-5/8"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
0
$1.87

Add:
Min:  107
Quantity Discounts
107-249$1.87
250-1,604$1.40
1,605+$0.94
AS568-247 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50247

AS568-247 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

4-5/8"ID X 4-7/8"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
0
$1.92

Add:
Min:  105
Quantity Discounts
105-243$1.92
244-1,562$1.44
1,563+$0.96