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-300 Series - 3/16" CS - 0.210" 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 Qty. Price Quantity Discounts+
-336 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70336

-336 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

2-7/8"ID X 3-1/4"OD X 3/16"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
950
$0.30

Add:
Min:  3
Quantity Discounts
3-109$0.30
110-669$0.23
670+$0.15
-337 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70337

-337 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

3"ID X 3-3/8"OD X 3/16"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
121
$0.34

Add:
Min:  3
Quantity Discounts
3-99$0.34
100-589$0.26
590+$0.17
-312 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70312

-312 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

5/8"ID X 1"OD X 3/16"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
822
$0.08

Add:
Min:  10
Quantity Discounts
10-624$0.08
625-3,499$0.06
3,500+$0.04
-310 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70310

-310 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

1/2"ID X 7/8"OD X 3/16"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
3922
$0.06

Add:
Min:  13
Quantity Discounts
13-624$0.06
625-3,499$0.05
3,500+$0.03
-309 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70309

-309 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

7/16"ID X 13/16"OD X 3/16"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
1033
$0.06

Add:
Min:  13
Quantity Discounts
13-624$0.06
625-3,499$0.05
3,500+$0.03
-334 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70334

-334 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

2-5/8"ID X 3"OD X 3/16"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
119
$0.29

Add:
Min:  3
Quantity Discounts
3-114$0.29
115-669$0.22
670+$0.15
-343 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70343

-343 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

3-3/4"ID X 4-1/8"OD X 3/16"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
276
$0.39

Add:
Min:  2
Quantity Discounts
2-89$0.39
90-499$0.29
500+$0.20
-342 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70342

-342 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

3-5/8"ID X 4"OD X 3/16"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
643
$0.37

Add:
Min:  2
Quantity Discounts
2-89$0.37
90-529$0.28
530+$0.19
-340 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70340

-340 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

3-3/8"ID X 3-3/4"OD X 3/16"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
32
$0.36

Add:
Min:  2
Quantity Discounts
2-94$0.36
95-559$0.27
560+$0.18
-339 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70339

-339 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

3-1/4"ID X 3-5/8"OD X 3/16"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
271
$0.36

Add:
Min:  3
Quantity Discounts
3-94$0.36
95-559$0.27
560+$0.18
-338 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70338

-338 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

3-1/8"ID X 3-1/2"OD X 3/16"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
122
$0.34

Add:
Min:  3
Quantity Discounts
3-99$0.34
100-589$0.26
590+$0.17
-357 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70357

-357 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

5-1/2"ID X 5-7/8"OD X 3/16"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
2
$0.68

Add:
Min:  2
Quantity Discounts
2-49$0.68
50-294$0.51
295+$0.34
-358 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70358

-358 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

5-5/8"ID X 6"OD X 3/16"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
175
$0.71

Add:
Min:  2
Quantity Discounts
2-49$0.71
50-279$0.53
280+$0.36
-359 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70359

-359 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

5-3/4"ID X 6-1/8"OD X 3/16"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
266
$0.74

Add:
Min:  2
Quantity Discounts
2-44$0.74
45-274$0.56
275+$0.37
-360 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70360

-360 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

5-7/8"ID X 6-1/4"OD X 3/16"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
583
$0.78

Add:
Min:  2
Quantity Discounts
2-44$0.78
45-259$0.59
260+$0.39
-362 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70362

-362 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

6-1/4"ID X 6-5/8"OD X 3/16"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
149
$0.84

Add:
Min:  2
Quantity Discounts
2-39$0.84
40-239$0.63
240+$0.42
-363 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70363

-363 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

6-1/2"ID X 6-7/8"OD X 3/16"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
118
$0.88

Add:

Quantity Discounts
1-39$0.88
40-229$0.66
230+$0.44
-364 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70364

-364 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

6-3/4"ID X 7-1/8"OD X 3/16"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
74
$0.92

Add:

Quantity Discounts
1-39$0.92
40-219$0.69
220+$0.46
-313 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70313

-313 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

11/16"ID X 1-1/16"OD X 3/16"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also...
1378
$0.08

Add:
Min:  9
Quantity Discounts
9-499$0.08
500-3,499$0.06
3,500+$0.04
-317 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70317

-317 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

15/16"ID X 1-5/16"OD X 3/16"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also...
3935
$0.11

Add:
Min:  8
Quantity Discounts
8-499$0.11
500-2,499$0.08
2,500+$0.06