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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 Stock Price Quantity Discounts
30" to 36" ID X 0.210" (5.33mm) C/S Buna-N 70 Vulcanized O-Ring VN70.210-036

30" to 36" ID X 0.210" (5.33mm) C/S Buna-N 70 Vulcanized O-Ring

762mm ID to 914mm ID / 30" to 36" ID Spliced & Vulcanized O-Rings - Typical lead time is 3-5 days to ship. Spliced and vulcanized...
0
$7.75



Quantity Discounts
1$7.75
2-9$6.98
10+$5.81
24" to 30" ID X 0.210" (5.33mm) C/S Buna-N 70 Vulcanized O-Ring VN70.210-030

24" to 30" ID X 0.210" (5.33mm) C/S Buna-N 70 Vulcanized O-Ring

600mm ID to 762mm / 24" to 30" ID Spliced & Vulcanized O-Rings - Typical lead time is 3-5 days to ship. Spliced and vulcanized o-rings...
0
$7.50



Quantity Discounts
1$7.50
2-9$6.75
10+$5.63
18" to 24" ID X 0.210" (5.33mm) C/S Buna-N 70 Vulcanized O-Ring VN70.210-024

18" to 24" ID X 0.210" (5.33mm) C/S Buna-N 70 Vulcanized O-Ring

450mm ID to 600mm ID / 18" to 24" ID Spliced & Vulcanized O-Rings - Typical lead time is 3-5 days to ship. Spliced and vulcanized...
0
$7.00



Quantity Discounts
1$7.00
2-9$6.30
10+$5.25
12" to 18" ID X 0.210" (5.33mm) C/S Buna-N 70 Vulcanized O-Ring VN70.210-018

12" to 18" ID X 0.210" (5.33mm) C/S Buna-N 70 Vulcanized O-Ring

300mm ID to 450mm ID / 12" to 18" ID Spliced & Vulcanized O-Rings - Typical lead time is 3-5 days to ship. Spliced and vulcanized...
0
$6.75



Quantity Discounts
1$6.75
2-9$6.08
10+$5.06
5" to 12" ID X 0.210" (5.33mm) C/S Buna-N 70 Vulcanized O-Ring VN70.210-012

5" to 12" ID X 0.210" (5.33mm) C/S Buna-N 70 Vulcanized O-Ring

125mm ID to 300mm ID / 5" to 12" ID Spliced & Vulcanized O-Rings - Typical lead time is 3-5 days to ship. Spliced and vulcanized...
0
$6.50



Quantity Discounts
1$6.50
2-9$5.85
10+$4.88
AS568-395 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70395

AS568-395 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

26"ID X 26-3/8"OD X 3/16"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
5
$8.62

Add:

Quantity Discounts
1-5$8.62
6-34$6.47
35+$4.31
AS568-394 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70394

AS568-394 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

25"ID X 25-3/8"OD X 3/16"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
4
$6.88

Add:

Quantity Discounts
1-6$6.88
7-43$5.16
44+$3.44
AS568-393 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70393

AS568-393 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

24"ID X 24-3/8"OD X 3/16"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
0
$6.61

Add:

Quantity Discounts
1-7$6.61
8-45$4.96
46+$3.31
AS568-392 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70392

AS568-392 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

23"ID X 23-3/8"OD X 3/16"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
48
$6.35

Add:

Quantity Discounts
1-7$6.35
8-47$4.76
48+$3.18
AS568-391 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70391

AS568-391 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

22"ID X 22-3/8"OD X 3/16"CS Buna-N O-Rings 70 Duro: Nitrile, also known as Buna-N or NBR, is a copolymer of Butadiene and...
49
$6.08

Add:

Quantity Discounts
1-7$6.08
8-49$4.56
50+$3.04
AS568-390 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70390

AS568-390 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

21"ID X 21-3/8"OD X 3/16"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
8
$6.01

Add:

Quantity Discounts
1-7$6.01
8-49$4.51
50+$3.01
AS568-389 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70389

AS568-389 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

20"ID X 20-3/8"OD X 3/16"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
7
$5.95

Add:

Quantity Discounts
1-7$5.95
8-50$4.46
51+$2.98
AS568-388 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70388

AS568-388 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

19"ID X 19-3/8"OD X 3/16"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
13
$5.82

Add:

Quantity Discounts
1-8$5.82
9-51$4.37
52+$2.91
AS568-387 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70387

AS568-387 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

18"ID X 18 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...
20
$4.64

Add:

Quantity Discounts
1-10$4.64
11-64$3.48
65+$2.32
AS568-386 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70386

AS568-386 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

16"ID X 16-3/8"OD X 3/16"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
28
$3.52

Add:

Quantity Discounts
1-13$3.52
14-85$2.64
86+$1.76
AS568-385 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70385

AS568-385 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

16"ID X 16-3/8"OD X 3/16"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
0
$3.42

Add:

Quantity Discounts
1-13$3.42
14-87$2.57
88+$1.71
AS568-384 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70384

AS568-384 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

15"ID X 15-3/8"OD X 3/16"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
15
$3.33

Add:

Quantity Discounts
1-14$3.33
15-90$2.50
91+$1.67
AS568-383 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70383

AS568-383 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

14"ID X 14-3/8"OD X 3/16"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
89
$3.26

Add:

Quantity Discounts
1-14$3.26
15-92$2.45
93+$1.63
AS568-382 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70382

AS568-382 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

13"ID X 13-3/8"OD X 3/16"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
20
$2.19

Add:

Quantity Discounts
1-21$2.19
22-136$1.64
137+$1.10
AS568-381 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70381

AS568-381 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

12"ID X 12-3/8"OD X 3/16"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
67
$2.13

Add:

Quantity Discounts
1-21$2.13
22-140$1.60
141+$1.07