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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
$6.34

Add:
Min:  182
Quantity Discounts
182-480$6.34
481-3,623$4.76
3,624+$3.17
-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...
21
$1.40

Add:

Quantity Discounts
1-476$1.40
477-3,571$1.05
3,572+$0.70
-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
$1.42

Add:

Quantity Discounts
1-467$1.42
468-3,521$1.07
3,522+$0.71
-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...
285
$1.44

Add:

Quantity Discounts
1-462$1.44
463-3,472$1.08
3,473+$0.72
-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
$1.46

Add:

Quantity Discounts
1-454$1.46
455-3,424$1.10
3,425+$0.73
-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...
4
$1.48

Add:

Quantity Discounts
1-450$1.48
451-3,378$1.11
3,379+$0.74
-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
$11.09

Add:
Min:  167
Quantity Discounts
167-442$11.09
443-3,333$8.32
3,334+$5.55
-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
$1.52

Add:

Quantity Discounts
1-438$1.52
439-3,289$1.14
3,290+$0.76
-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
$1.34

Add:
Min:  163
Quantity Discounts
163-431$1.34
432-3,246$1.01
3,247+$0.67
-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
$1.56

Add:

Quantity Discounts
1-427$1.56
428-3,205$1.17
3,206+$0.78
-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
$1.62

Add:
Min:  155
Quantity Discounts
155-409$1.62
410-3,086$1.22
3,087+$0.81
-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
$1.68

Add:
Min:  149
Quantity Discounts
149-396$1.68
397-2,976$1.26
2,977+$0.84
-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
$1.74

Add:

Quantity Discounts
1-381$1.74
382-2,873$1.31
2,874+$0.87
-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...
162
$1.80

Add:

Quantity Discounts
1-370$1.80
371-2,777$1.35
2,778+$0.90
-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
$1.84

Add:
Min:  136
Quantity Discounts
136-362$1.84
363-2,717$1.38
2,718+$0.92
-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
$1.88

Add:

Quantity Discounts
1-17$1.88
18-106$1.41
107+$0.94
-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...
15
$1.92

Add:

Quantity Discounts
1-347$1.92
348-2,604$1.44
2,605+$0.96
-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
$1.96

Add:
Min:  128
Quantity Discounts
128-340$1.96
341-2,549$1.47
2,550+$0.98
-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
$2.00

Add:
Min:  125
Quantity Discounts
125-333$2.00
334-2,499$1.50
2,500+$1.00
-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
$2.04

Add:
Min:  123
Quantity Discounts
123-326$2.04
327-2,450$1.53
2,451+$1.02