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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:  121
Quantity Discounts
121-281$1.66
282-1,807$1.25
1,808+$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...
9
$1.74

Add:

Quantity Discounts
1-268$1.74
269-1,724$1.31
1,725+$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
1-257$1.81
258-1,657$1.36
1,658+$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...
269
$1.86

Add:

Quantity Discounts
1-250$1.86
251-1,612$1.40
1,613+$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...
71
$1.90

Add:

Quantity Discounts
1-245$1.90
246-1,578$1.43
1,579+$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:  97
Quantity Discounts
97-225$2.07
226-1,449$1.55
1,450+$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:  93
Quantity Discounts
93-216$2.16
217-1,388$1.62
1,389+$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
1-214$2.18
215-1,376$1.64
1,377+$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:  89
Quantity Discounts
89-207$2.25
208-1,333$1.69
1,334+$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...
9
$2.67

Add:

Quantity Discounts
1-174$2.67
175-1,123$2.00
1,124+$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:  74
Quantity Discounts
74-170$2.73
171-1,098$2.05
1,099+$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:  73
Quantity Discounts
73-169$2.75
170-1,090$2.06
1,091+$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...
1497
$2.82

Add:

Quantity Discounts
1-165$2.82
166-1,063$2.12
1,064+$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...
82
$2.85

Add:

Quantity Discounts
1-163$2.85
164-1,052$2.14
1,053+$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:  58
Quantity Discounts
58-135$3.45
136-869$2.59
870+$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...
674
$3.55

Add:

Quantity Discounts
1-131$3.55
132-845$2.66
846+$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
1-127$3.65
128-821$2.74
822+$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:  54
Quantity Discounts
54-124$3.75
125-799$2.81
800+$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:  53
Quantity Discounts
53-123$3.79
124-791$2.84
792+$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:  53
Quantity Discounts
53-122$3.81
123-787$2.86
788+$1.91