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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
-206 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50206

-206 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

1/2"ID X 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 as...
-10
$0.16

Add:
Min:  4
Quantity Discounts
4-208$0.16
209-1,249$0.12
1,250+$0.08
-261 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50261

-261 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...
-10
$3.44

Add:

Quantity Discounts
1-8$3.44
9-51$2.58
52+$1.72
-201 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50201

-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:  1924
Quantity Discounts
1924-9,999$0.13
10,000-35,714$0.10
35,715+$0.07
-203 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50203

-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
$1.50

Add:
Min:  1786
Quantity Discounts
1786-9,099$1.50
9,100-31,299$1.13
31,300+$0.75
-205 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50205

-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
$1.50

Add:
Min:  782
Quantity Discounts
782-9,090$1.50
9,091-12,499$1.13
12,500+$0.75
-211 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50211

-211 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

13/16"ID X 1-1/16"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
0
$0.24

Add:
Min:  521
Quantity Discounts
521-1,388$0.24
1,389-8,333$0.18
8,334+$0.12
-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...
0
$0.55

Add:

Quantity Discounts
1-56$0.55
57-333$0.41
334+$0.28
-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...
0
$1.05

Add:
Min:  239
Quantity Discounts
239-1,265$1.05
1,266-4,716$0.79
4,717+$0.53
-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
$3.84

Add:
Min:  218
Quantity Discounts
218-574$3.84
575-4,310$2.88
4,311+$1.92
-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...
0
$5.34

Add:
Min:  204
Quantity Discounts
204-537$5.34
538-4,032$4.01
4,033+$2.67
-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
$5.34

Add:
Min:  193
Quantity Discounts
193-510$5.34
511-3,846$4.01
3,847+$2.67
-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:  183
Quantity Discounts
183-485$1.37
486-3,624$1.03
3,625+$0.69
-244 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50244

-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:  136
Quantity Discounts
136-362$1.84
363-2,717$1.38
2,718+$0.92
-245 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50245

-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:  134
Quantity Discounts
134-354$1.87
355-2,659$1.40
2,660+$0.94
-248 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50248

-248 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

4-3/4"ID X 5"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
$8.09

Add:
Min:  129
Quantity Discounts
129-342$8.09
343-2,577$6.07
2,578+$4.05
-251 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50251

-251 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
$2.77

Add:
Min:  91
Quantity Discounts
91-240$2.77
241-1,798$2.08
1,799+$1.39
-257 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50257

-257 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
$2.92

Add:
Min:  86
Quantity Discounts
86-228$2.92
229-1,712$2.19
1,713+$1.46
-260 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50260

-260 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
$3.37

Add:
Min:  75
Quantity Discounts
75-197$3.37
198-1,479$2.53
1,480+$1.69
-263 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50263

-263 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
$5.77

Add:
Min:  44
Quantity Discounts
44-115$5.77
116-865$4.33
866+$2.89
-265 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50265

-265 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
$5.98

Add:
Min:  42
Quantity Discounts
42-111$5.98
112-836$4.49
837+$2.99