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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
-333 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70333

-333 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

2-1/2"ID X 2-7/8"OD X 3/16"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
-10
$0.28

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Min:  3
Quantity Discounts
3-166$0.28
167-1,071$0.21
1,072+$0.14
-367 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70367

-367 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

7-1/2"ID X 7-7/8"OD X 3/16"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
0
$0.94

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Quantity Discounts
1-49$0.94
50-319$0.71
320+$0.47
-391 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70391

-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...
0
$6.08

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Quantity Discounts
1-7$6.08
8-49$4.56
50+$3.04
-393 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70393

-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

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Quantity Discounts
1-7$6.61
8-45$4.96
46+$3.31
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 2-3 days to ship. Spliced and vulcanized...
0
$6.75



Quantity Discounts
1$6.75
2-11$6.08
12+$5.06
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 2-3 days to ship. Spliced and vulcanized...
0
$7.00



Quantity Discounts
1$7.00
2-11$6.30
12+$5.25
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 2-3 days to ship. Spliced and vulcanized o-rings...
0
$7.50



Quantity Discounts
1$7.50
2-11$6.75
12+$5.63
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 2-3 days to ship. Spliced and vulcanized...
0
$7.75



Quantity Discounts
1$7.75
2-11$6.98
12+$5.81
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 2-3 days to ship. Spliced and vulcanized...
0
$6.50



Quantity Discounts
1$6.50
2-11$5.85
12+$4.88
-392 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70392

-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...
1
$6.35

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Quantity Discounts
1-7$6.35
8-47$4.76
48+$3.18
-394 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70394

-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

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Quantity Discounts
1-6$6.88
7-43$5.16
44+$3.44
-379 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70379

-379 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

11"ID X 11-3/8"OD X 3/16"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
5
$2.04

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Quantity Discounts
1-22$2.04
23-147$1.53
148+$1.02
-395 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70395

-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

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Quantity Discounts
1-5$8.62
6-34$6.47
35+$4.31
-389 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70389

-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
-390 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70390

-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
-380 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70380

-380 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

11-1/2"ID X 11-7/8"OD X 3/16"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also...
11
$2.08

Add:

Quantity Discounts
1-22$2.08
23-144$1.56
145+$1.04
-388 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70388

-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
-382 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70382

-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...
15
$2.19

Add:

Quantity Discounts
1-21$2.19
22-136$1.64
137+$1.10
-369 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70369

-369 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

8"ID X 8-3/8"OD X 3/16"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
18
$0.97

Add:

Quantity Discounts
1-48$0.97
49-309$0.73
310+$0.49
-384 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70384

-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...
18
$3.33

Add:

Quantity Discounts
1-14$3.33
15-90$2.50
91+$1.67