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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
-329 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50329

-329 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

2"ID X 2-3/8"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
$1.66

Add:
Min:  61
Quantity Discounts
61-480$1.66
481-3,623$1.25
3,624+$0.83
-330 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50330

-330 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

2-1/8"ID X 2-1/2"OD X 3/16"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
15
$1.74

Add:

Quantity Discounts
1-476$1.74
477-3,571$1.31
3,572+$0.87
-331 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50331

-331 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...
1881
$1.81

Add:

Quantity Discounts
1-467$1.81
468-3,521$1.36
3,522+$0.91
-332 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50332

-332 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

2-3/8"ID X 2-3/4"OD X 3/16"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
279
$1.86

Add:

Quantity Discounts
1-462$1.86
463-3,472$1.40
3,473+$0.93
-333 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50333

-333 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

2-1/2"ID X 2-7/8"OD X 3/16"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
76
$1.90

Add:

Quantity Discounts
1-454$1.90
455-3,424$1.43
3,425+$0.95
-334 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50334

-334 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
$2.07

Add:
Min:  49
Quantity Discounts
49-450$2.07
451-3,378$1.55
3,379+$1.04
-335 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50335

-335 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

2-3/4"ID X 3-1/8"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:  47
Quantity Discounts
47-442$2.16
443-3,333$1.62
3,334+$1.08
-336 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50336

-336 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

2-7/8"ID X 3-1/4"OD X 3/16"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
5
$2.18

Add:

Quantity Discounts
1-438$2.18
439-3,289$1.64
3,290+$1.09
-337 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50337

-337 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

3"ID X 3-3/8"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
$2.25

Add:
Min:  45
Quantity Discounts
45-431$2.25
432-3,246$1.69
3,247+$1.13
-338 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50338

-338 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

3-1/8"ID X 3-1/2"OD X 3/16"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
24
$2.67

Add:

Quantity Discounts
1-427$2.67
428-3,205$2.00
3,206+$1.34
-339 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50339

-339 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

3-1/4"ID X 3-5/8"OD X 3/16"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
0
$2.73

Add:
Min:  37
Quantity Discounts
37-409$2.73
410-3,086$2.05
3,087+$1.37
-340 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50340

-340 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

3-3/8"ID X 3-3/4"OD X 3/16"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
0
$2.75

Add:
Min:  37
Quantity Discounts
37-396$2.75
397-2,976$2.06
2,977+$1.38
-341 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50341

-341 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

3-1/2"ID X 3-7/8"OD X 3/16"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
-3
$2.82

Add:

Quantity Discounts
1-381$2.82
382-2,873$2.12
2,874+$1.41
-342 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50342

-342 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

3-5/8"ID X 4"OD X 3/16"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
119
$2.85

Add:

Quantity Discounts
1-370$2.85
371-2,777$2.14
2,778+$1.43
-343 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50343

-343 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

3-3/4"ID X 4-1/8"OD X 3/16"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
0
$3.45

Add:
Min:  29
Quantity Discounts
29-362$3.45
363-2,717$2.59
2,718+$1.73
-344 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50344

-344 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

3-7/8"ID X 4-1/4"OD X 3/16"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
677
$3.55

Add:

Quantity Discounts
1-17$3.55
18-106$2.66
107+$1.78
-345 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50345

-345 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

4"ID X 4-3/8"OD X 3/16"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
11
$3.65

Add:

Quantity Discounts
1-347$3.65
348-2,604$2.74
2,605+$1.83
-346 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50346

-346 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

4-1/8"ID X 4-1/2"OD X 3/16"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
0
$3.75

Add:
Min:  27
Quantity Discounts
27-340$3.75
341-2,549$2.81
2,550+$1.88
-347 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50347

-347 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
$3.79

Add:
Min:  27
Quantity Discounts
27-333$3.79
334-2,499$2.84
2,500+$1.90
-348 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50348

-348 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

4-3/8"ID X 4-3/4"OD X 3/16"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
0
$3.81

Add:
Min:  27
Quantity Discounts
27-326$3.81
327-2,450$2.86
2,451+$1.91