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-300 Series - 0.210 - 3/16" 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 Qty. Price Quantity Discounts
-349 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50349

-349 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

4-1/2"ID X 4-7/8"OD X 3/16"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
0
$2.08

Add:
Min:  121
Quantity Discounts
121-320$2.08
321-2,403$1.56
2,404+$1.04
-350 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50350

-350 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

4-5/8"ID X 5"OD X 3/16"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
0
$2.12

Add:
Min:  118
Quantity Discounts
118-314$2.12
315-2,358$1.59
2,359+$1.06
-351 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50351

-351 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

4-3/4"ID X 5-1/8"OD X 3/16"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
0
$2.16

Add:
Min:  116
Quantity Discounts
116-308$2.16
309-2,314$1.62
2,315+$1.08
-352 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50352

-352 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

4-7/8"ID X 5-1/4"OD X 3/16"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
0
$2.20

Add:
Min:  114
Quantity Discounts
114-303$2.20
304-2,272$1.65
2,273+$1.10
-353 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50353

-353 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

5"ID X 5-3/8"OD X 3/16"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
0
$2.24

Add:
Min:  112
Quantity Discounts
112-297$2.24
298-2,232$1.68
2,233+$1.12
-354 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50354

-354 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

5-1/8"ID X 5-1/2"OD X 3/16"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
3
$2.28

Add:
Min:  110
Quantity Discounts
110-292$2.28
293-2,192$1.71
2,193+$1.14
-355 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50355

-355 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...
0
$2.32

Add:
Min:  108
Quantity Discounts
108-287$2.32
288-2,155$1.74
2,156+$1.16
-356 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50356

-356 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...
0
$2.36

Add:
Min:  106
Quantity Discounts
106-282$2.36
283-2,118$1.77
2,119+$1.18
-357 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50357

-357 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

5-1/2"ID X 5-7/8"OD X 3/16"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
0
$2.40

Add:
Min:  105
Quantity Discounts
105-277$2.40
278-2,083$1.80
2,084+$1.20
-358 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50358

-358 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

5-5/8"ID X 6"OD X 3/16"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
29
$2.44

Add:

Quantity Discounts
1-9$2.44
10-58$1.83
59+$1.22
-359 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50359

-359 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...
15
$2.55

Add:

Quantity Discounts
1-260$2.55
261-1,953$1.91
1,954+$1.28
-360 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50360

-360 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...
1
$2.66

Add:

Quantity Discounts
1-249$2.66
250-1,879$2.00
1,880+$1.33
-361 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50361

-361 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...
7
$2.77

Add:

Quantity Discounts
1-240$2.77
241-1,798$2.08
1,799+$1.39
-362 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50362

-362 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...
0
$2.88

Add:
Min:  87
Quantity Discounts
87-231$2.88
232-1,736$2.16
1,737+$1.44
-363 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50363

-363 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...
0
$2.99

Add:
Min:  84
Quantity Discounts
84-222$2.99
223-1,666$2.24
1,667+$1.50
-364 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50364

-364 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...
0
$3.10

Add:
Min:  81
Quantity Discounts
81-214$3.10
215-1,612$2.33
1,613+$1.55
-365 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50365

-365 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...
0
$3.21

Add:
Min:  78
Quantity Discounts
78-207$3.21
208-1,552$2.41
1,553+$1.61
-366 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50366

-366 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...
0
$3.32

Add:
Min:  76
Quantity Discounts
76-200$3.32
201-1,506$2.49
1,507+$1.66
-367 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50367

-367 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...
1
$3.43

Add:

Quantity Discounts
1-193$3.43
194-1,453$2.57
1,454+$1.72
-368 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50368

-368 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...
0
$3.54

Add:
Min:  71
Quantity Discounts
71-187$3.54
188-1,412$2.66
1,413+$1.77