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-200 Series - 1/8" CS - 0.139" CS

A general purpose, sulfur-cured Buna-N Nitrile O-Ring, the most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of Butadiene and Acrylonitirle. More than 50% of the Orings sold are Buna-N Nitrile Orings, commonly used in hydraulic/pneumatic motors, cylinders, pumps and valves.

Operating temperature: -40° to +250°F




Image Model+ Item Name Stock Price Quantity Discounts
AS568-201 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70201

AS568-201 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

3/16"ID X 7/16"OD X 1/8"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
1203
$0.04

Add:
Min:  13
Quantity Discounts
13-1,166$0.04
1,167-7,499$0.03
7,500+$0.02
AS568-202 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70202

AS568-202 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

1/4"ID X 1/2"OD X 1/8"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
18615
$0.04

Add:
Min:  13
Quantity Discounts
13-1,166$0.04
1,167-7,499$0.03
7,500+$0.02
AS568-203 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70203

AS568-203 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

5/16"ID X 9/16"OD X 1/8"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
5029
$0.04

Add:
Min:  13
Quantity Discounts
13-1,166$0.04
1,167-7,499$0.03
7,500+$0.02
AS568-204 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70204

AS568-204 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

3/8"ID X 5/8"OD X 1/8"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
4640
$0.04

Add:
Min:  13
Quantity Discounts
13-1,166$0.04
1,167-7,499$0.03
7,500+$0.02
AS568-205 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70205

AS568-205 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

7/16"ID X 11/16"OD X 1/8"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
8599
$0.04

Add:
Min:  13
Quantity Discounts
13-1,166$0.04
1,167-7,499$0.03
7,500+$0.02
AS568-206 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70206

AS568-206 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

1/2"ID X 3/4"OD X 1/8"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
3080
$0.04

Add:
Min:  13
Quantity Discounts
13-1,166$0.04
1,167-7,499$0.03
7,500+$0.02
AS568-207 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70207

AS568-207 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

9/16"ID X 13/16"OD X 1/8"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
1441
$0.04

Add:
Min:  13
Quantity Discounts
13-1,166$0.04
1,167-7,499$0.03
7,500+$0.02
AS568-208 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70208

AS568-208 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

5/8"ID X 7/8"OD X 1/8"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
1223
$0.04

Add:
Min:  13
Quantity Discounts
13-1,166$0.04
1,167-7,499$0.03
7,500+$0.02
AS568-209 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70209

AS568-209 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

11/16"ID X 15/16"OD X 1/8"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
11962
$0.05

Add:
Min:  10
Quantity Discounts
10-933$0.05
934-5,999$0.04
6,000+$0.03
AS568-210 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70210

AS568-210 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

3/4"ID X 1"OD X 1/8"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
3203
$0.05

Add:
Min:  10
Quantity Discounts
10-933$0.05
934-5,999$0.04
6,000+$0.03
AS568-211 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70211

AS568-211 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

13/16"ID X 1 1/16"OD X 1/8"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
7362
$0.05

Add:
Min:  10
Quantity Discounts
10-933$0.05
934-5,999$0.04
6,000+$0.03
AS568-212 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70212

AS568-212 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

7/8"ID X 1 1/8"OD X 1/8"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
13689
$0.05

Add:
Min:  10
Quantity Discounts
10-933$0.05
934-5,999$0.04
6,000+$0.03
AS568-213 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70213

AS568-213 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

15/16"ID X 1 3/16"OD X 1/8"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
5181
$0.05

Add:
Min:  10
Quantity Discounts
10-933$0.05
934-5,999$0.04
6,000+$0.03
AS568-214 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70214

AS568-214 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

1"ID X 1 1/4"OD X 1/8"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
8301
$0.05

Add:
Min:  10
Quantity Discounts
10-933$0.05
934-5,999$0.04
6,000+$0.03
AS568-215 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70215

AS568-215 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

1 1/16"ID X 1 5/16"OD X 1/8"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also...
5762
$0.06

Add:
Min:  9
Quantity Discounts
9-777$0.06
778-4,999$0.05
5,000+$0.03
AS568-216 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70216

AS568-216 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

1 1/8"ID X 1 3/8"OD X 1/8"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
6048
$0.06

Add:
Min:  9
Quantity Discounts
9-777$0.06
778-4,999$0.05
5,000+$0.03
AS568-217 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70217

AS568-217 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

1 3/16"ID X 1 7/16"OD X 1/8"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also...
8959
$0.06

Add:
Min:  9
Quantity Discounts
9-777$0.06
778-4,999$0.05
5,000+$0.03
AS568-218 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70218

AS568-218 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

1 1/4"ID X 1 1/2"OD X 1/8"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
4511
$0.06

Add:
Min:  9
Quantity Discounts
9-777$0.06
778-4,999$0.05
5,000+$0.03
AS568-219 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70219

AS568-219 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

1 5/16"ID X 1 9/16"OD X 1/8"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also...
15765
$0.06

Add:
Min:  9
Quantity Discounts
9-777$0.06
778-4,999$0.05
5,000+$0.03
AS568-220 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70220

AS568-220 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

1 3/8"ID X 1 5/8"OD X 1/8"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
3353
$0.07

Add:
Min:  9
Quantity Discounts
9-666$0.07
667-4,285$0.05
4,286+$0.04