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-400 Series -1/4" CS - 0.275" CS

A general purpose, sulfur-cured Buna-N Nitrile O-Ring, the most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of Butadiene and Acrylonitirle. More than 50% of the Orings sold are Buna-N Nitrile Orings, commonly used in hydraulic/pneumatic motors, cylinders, pumps and valves.

Operating temperature: -40° to +250°F




Image Model Item Name+ Qty. Price Quantity Discounts
-400 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70400

-400 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

1-3/8"ID X 1-7/8"OD X 1/4"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
16
$2.50

Add:

Quantity Discounts
1-14$2.50
15-79$1.88
80+$1.25
-401 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70401

-401 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

1-1/2"ID X 2"OD X 1/4"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
109
$2.50

Add:

Quantity Discounts
1-14$2.50
15-79$1.88
80+$1.25
-402 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70402

-402 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

1-5/8"ID X 2-1/8OD X 1/4"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
27
$2.50

Add:

Quantity Discounts
1-14$2.50
15-79$1.88
80+$1.25
-403 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70403

-403 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

1-3/4"ID X 2-1/4"OD X 1/4"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
9
$2.50

Add:

Quantity Discounts
1-14$2.50
15-79$1.88
80+$1.25
-404 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70404

-404 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

O-ring Size: 1-7/8"ID X 2-3/8"OD X 1/4"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products....
12
$2.50

Add:

Quantity Discounts
1-14$2.50
15-79$1.88
80+$1.25
-405 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70405

-405 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

O-ring Size: 2"ID X 2-1/2"OD X 1/4"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile,...
26
$2.50

Add:

Quantity Discounts
1-14$2.50
15-79$1.88
80+$1.25
-406 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70406

-406 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

2-1/8"ID X 2-5/8"OD X 1/4"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
25
$2.50

Add:

Quantity Discounts
1-14$2.50
15-79$1.88
80+$1.25
-407 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70407

-407 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

2-1/4"ID X 2-3/4"OD X 1/4"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
13
$2.50

Add:

Quantity Discounts
1-14$2.50
15-79$1.88
80+$1.25
-408 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70408

-408 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

2-3/8"ID X 2-7/8"OD X 1/4"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
48
$2.50

Add:

Quantity Discounts
1-14$2.50
15-79$1.88
80+$1.25
-409 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70409

-409 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

2-1/2"ID X 3"OD X 1/4"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
68
$2.50

Add:

Quantity Discounts
1-14$2.50
15-79$1.88
80+$1.25
-410 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70410

-410 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

2-5/8"ID X 3-1/8"OD X 1/4"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
52
$2.50

Add:

Quantity Discounts
1-14$2.50
15-79$1.88
80+$1.25
-411 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70411

-411 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

2-3/4"ID X 3-1/4"OD X 1/4"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
8
$2.50

Add:

Quantity Discounts
1-14$2.50
15-79$1.88
80+$1.25
-412 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70412

-412 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

2-7/8"ID X 3-3/8"OD X 1/4"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
27
$2.50

Add:

Quantity Discounts
1-14$2.50
15-79$1.88
80+$1.25
-413 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70413

-413 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

3"ID X 3-1/2"OD X 1/4"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
7
$2.50

Add:

Quantity Discounts
1-14$2.50
15-79$1.88
80+$1.25
-414 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70414

-414 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

3-1/8"ID X 3-5/8"OD X 1/4"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
93
$2.50

Add:

Quantity Discounts
1-14$2.50
15-79$1.88
80+$1.25
-415 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70415

-415 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

3-1/4"ID X 3-3/4"OD X 1/4"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
77
$2.50

Add:

Quantity Discounts
1-14$2.50
15-79$1.88
80+$1.25
-416 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70416

-416 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

3-3/8"ID X 3-7/8"OD X 1/4"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
95
$2.50

Add:

Quantity Discounts
1-14$2.50
15-79$1.88
80+$1.25
-417 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70417

-417 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

3-1/2"ID X 4"OD X 1/4"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
81
$2.50

Add:

Quantity Discounts
1-14$2.50
15-79$1.88
80+$1.25
-418 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70418

-418 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

3-5/8"ID X 4-1/8"OD X 1/4"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
38
$2.50

Add:

Quantity Discounts
1-14$2.50
15-79$1.88
80+$1.25
-419 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70419

-419 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

O-ring Size: 3-3/4"ID X 4-1/4"OD X 1/4"CS Buna-N O-Rings 70 Duro: Nitrile, also known as Buna-N or NBR, is a copolymer of Butadiene...
94
$2.50

Add:

Quantity Discounts
1-14$2.50
15-79$1.88
80+$1.25