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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
AS568-201 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
AS568-202 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50202

AS568-202 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

1/4"ID X 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 as...
14869
$0.13

Add:
Min:  4
Quantity Discounts
4-358$0.13
359-2,307$0.10
2,308+$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
AS568-204 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50204

AS568-204 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

3/8"ID X 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 as...
7
$0.15

Add:
Min:  4
Quantity Discounts
4-311$0.15
312-1,999$0.11
2,000+$0.08
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
AS568-206 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50206

AS568-206 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...
0
$0.16

Add:
Min:  4
Quantity Discounts
4-291$0.16
292-1,874$0.12
1,875+$0.08
AS568-207 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50207

AS568-207 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

9/16"ID X 13/16"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
732
$0.17

Add:
Min:  3
Quantity Discounts
3-274$0.17
275-1,764$0.13
1,765+$0.09
AS568-208 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50208

AS568-208 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

5/8"ID X 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 as...
1167
$0.18

Add:
Min:  3
Quantity Discounts
3-259$0.18
260-1,666$0.14
1,667+$0.14
AS568-209 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50209

AS568-209 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

11/16"ID X 15/16"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
15705
$0.20

Add:
Min:  3
Quantity Discounts
3-233$0.20
234-1,499$0.15
1,500+$0.10
AS568-210 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50210

AS568-210 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

3/4"ID X 1"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
30
$0.23

Add:
Min:  3
Quantity Discounts
3-202$0.23
203-1,304$0.17
1,305+$0.12
AS568-211 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50211

AS568-211 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...
8
$0.24

Add:
Min:  3
Quantity Discounts
3-194$0.24
195-1,249$0.18
1,250+$0.12
AS568-212 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50212

AS568-212 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...
6877
$0.27

Add:
Min:  2
Quantity Discounts
2-172$0.27
173-1,111$0.20
1,112+$0.14
AS568-213 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50213

AS568-213 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

15/16"ID X 1-3/16"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
21704
$0.29

Add:
Min:  2
Quantity Discounts
2-160$0.29
161-1,034$0.22
1,035+$0.15
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...
22
$0.32

Add:
Min:  2
Quantity Discounts
2-145$0.32
146-937$0.24
938+$0.16
AS568-215 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50215

AS568-215 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

1-1/16"ID X 1-5/16"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also...
8835
$0.34

Add:
Min:  2
Quantity Discounts
2-137$0.34
138-882$0.26
883+$0.17
AS568-216 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50216

AS568-216 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

1-1/8"ID X 1-3/8"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
4012
$0.37

Add:
Min:  2
Quantity Discounts
2-126$0.37
127-810$0.28
811+$0.19
AS568-217 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50217

AS568-217 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

1-3/16"ID X 1-7/16"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also...
24
$0.40

Add:
Min:  2
Quantity Discounts
2-116$0.40
117-749$0.30
750+$0.20
AS568-218 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50218

AS568-218 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

1-1/4"ID X 1-1/2"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
297
$0.42

Add:
Min:  2
Quantity Discounts
2-111$0.42
112-714$0.32
715+$0.21
AS568-219 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50219

AS568-219 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

1-5/16"ID X 1-9/16"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also...
6465
$0.46

Add:
Min:  2
Quantity Discounts
2-101$0.46
102-652$0.35
653+$0.23
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...
12034
$0.46

Add:
Min:  2
Quantity Discounts
2-101$0.46
102-652$0.35
653+$0.23