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-400 Series - 0.275 -1/4" 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
-445 B50 Buna-N Rubber Vulcanized O-ring B50445

-445 B50 Buna-N Rubber Vulcanized O-ring

8"ID X 8-1/2"OD X 1/4"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
0
$3.15

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Quantity Discounts
1-421$3.15
422-1,852$2.36
1,853+$1.58
-446 B50 Buna-N Rubber Vulcanized O-ring B50446

-446 B50 Buna-N Rubber Vulcanized O-ring

8-1/2"ID X 9"OD X 1/4"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
0
$3.22

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Quantity Discounts
1-413$3.22
414-1,552$2.42
1,553+$1.61
-447 B50 Buna-N Rubber Vulcanized O-ring B50447

-447 B50 Buna-N Rubber Vulcanized O-ring

9"ID X 9-1/2"OD X 1/4"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
0
$3.34

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Quantity Discounts
1-398$3.34
399-1,497$2.51
1,498+$1.67
-448 B50 Buna-N Rubber Vulcanized O-ring B50448

-448 B50 Buna-N Rubber Vulcanized O-ring

9-1/2"ID X 10"OD X 1/4"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
0
$3.53

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Quantity Discounts
1-377$3.53
378-1,412$2.65
1,413+$1.77
-449 B50 Buna-N Rubber Vulcanized O-ring B50449

-449 B50 Buna-N Rubber Vulcanized O-ring

10"ID X 10-1/2"OD X 1/4"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
0
$3.66

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Quantity Discounts
1-363$3.66
364-1,366$2.75
1,367+$1.83
-450 B50 Buna-N Rubber Vulcanized O-ring B50450

-450 B50 Buna-N Rubber Vulcanized O-ring

10-1/2"ID X 11"OD X 1/4"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
-2
$5.69

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Quantity Discounts
1-234$5.69
235-877$4.27
878+$2.85
-451 B50 Buna-N Rubber Vulcanized O-ring B50451

-451 B50 Buna-N Rubber Vulcanized O-ring

11"ID X 11-1/2"OD X 1/4"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
0
$5.75

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Quantity Discounts
1-231$5.75
232-868$4.31
869+$2.88
-452 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50452

-452 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

11-1/2"ID X 12"OD X 1/4"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
0
$5.84

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Quantity Discounts
1-228$5.84
229-856$4.38
857+$2.92
-453 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50453

-453 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

12"ID X 12-1/2"OD X 1/4"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
151
$5.90

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Quantity Discounts
1-5$5.90
6-33$4.43
34+$2.95
-454 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50454

-454 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

12-1/2"ID X 13"OD X 1/4"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
129
$5.97

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Quantity Discounts
1-5$5.97
6-33$4.48
34+$2.99
-455 B50 Buna-N Rubber Vulcanized O-Ring B50455

-455 B50 Buna-N Rubber Vulcanized O-Ring

13"ID X 13-1/2"OD X 1/4"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
0
$6.05

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Quantity Discounts
1-220$6.05
221-825$4.54
826+$3.03
-456 B50 Buna-N Rubber Vulcanized O-Ring B50456

-456 B50 Buna-N Rubber Vulcanized O-Ring

13-1/2" ID X 14" OD X 1/4" CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
0
$6.13

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Quantity Discounts
1-217$6.13
218-814$4.60
815+$3.07
-457 B50 Buna-N Rubber Vulcanized O-Ring B50457

-457 B50 Buna-N Rubber Vulcanized O-Ring

14"ID X 14-1/2"OD X 1/4"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
0
$6.21

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Quantity Discounts
1-214$6.21
215-803$4.66
804+$3.11
-458 B50 Buna-N Rubber Vulcanized O-Ring B50458

-458 B50 Buna-N Rubber Vulcanized O-Ring

14-1/2"ID X 15"OD X 1/4"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
0
$6.31

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Quantity Discounts
1-210$6.31
211-791$4.73
792+$3.16
-459 B50 Buna-N Rubber Vulcanized O-Ring B50459

-459 B50 Buna-N Rubber Vulcanized O-Ring

15"ID X 15-1/2"OD X 1/4"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
1
$6.36

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Quantity Discounts
1-209$6.36
210-786$4.77
787+$3.18
-460 B50 Buna-N Rubber Vulcanized O-Ring B50460

-460 B50 Buna-N Rubber Vulcanized O-Ring

15-1/2"ID X 16"OD X 1/4"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
0
$9.06

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Quantity Discounts
1-147$9.06
148-551$6.80
552+$4.53
-461 B50 Buna-N Rubber Vulcanized O-ring B50461

-461 B50 Buna-N Rubber Vulcanized O-ring

16"ID X 16-1/2"OD X 1/4"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
0
$9.23

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Quantity Discounts
1-144$9.23
145-541$6.92
542+$4.62
-462 B50 Buna-N Rubber Vulcanized O-ring B50462

-462 B50 Buna-N Rubber Vulcanized O-ring

16-1/2"ID X 17"OD X 1/4"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
0
$9.23

Add:

Quantity Discounts
1-144$9.23
145-541$6.92
542+$4.62
-463 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50463

-463 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

17"ID X 17-1/2"OD X 1/4"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
23
$9.28

Add:

Quantity Discounts
1-3$9.28
4-21$6.96
22+$4.64
-464 B50 Buna-N Rubber Vulcanized O-Ring B50464

-464 B50 Buna-N Rubber Vulcanized O-Ring

17-1/2"ID X 18"OD X 1/4"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
0
$9.32

Add:

Quantity Discounts
1-143$9.32
144-536$6.99
537+$4.66