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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+
-425 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70425

-425 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

4 1/2"ID X 5"OD X 1/4"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
34
$0.73

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Quantity Discounts
1-49$0.73
50-274$0.55
275+$0.37
-426 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70426

-426 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

4 5/8"ID X 5 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...
150
$0.75

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Quantity Discounts
1-44$0.75
45-264$0.56
265+$0.38
-427 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70427

-427 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

4 3/4"ID X 5 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...
96
$0.78

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Quantity Discounts
1-44$0.78
45-259$0.59
260+$0.39
-428 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70428

-428 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

4 7/8"ID X 5 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
$0.79

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Quantity Discounts
1-44$0.79
45-249$0.59
250+$0.40
-429 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70429

-429 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

5"ID X 5 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...
130
$0.81

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Quantity Discounts
1-44$0.81
45-244$0.61
245+$0.41
-445 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70445

-445 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

8"ID X 8 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...
22
$1.38

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Quantity Discounts
1-24$1.38
25-144$1.04
145+$0.69
-446 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70446

-446 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

8 1/2"ID X 9"OD X 1/4"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
11
$1.52

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Quantity Discounts
1-24$1.52
25-134$1.14
135+$0.76
-447 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70447

-447 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

9"ID X 9 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...
-105
$1.54

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Quantity Discounts
1-21$1.54
22-129$1.16
130+$0.77
-449 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70449

-449 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

10"ID X 10 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...
132
$1.78

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Quantity Discounts
1-19$1.78
20-114$1.34
115+$0.89
-450 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70450

-450 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

10 1/2"ID X 11"OD X 1/4"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
5
$2.28

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Quantity Discounts
1-14$2.28
15-89$1.71
90+$1.14
-451 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70451

-451 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

11"ID X 11 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...
38
$2.37

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Quantity Discounts
1-14$2.37
15-84$1.78
85+$1.19
-452 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70452

-452 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

11 1/2"ID X 12"OD X 1/4"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
26
$2.47

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Quantity Discounts
1-13$2.47
14-82$1.85
83+$1.24
-453 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70453

-453 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

12"ID X 12 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...
65
$2.57

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Quantity Discounts
1-12$2.57
13-79$1.93
80+$1.29
-454 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70454

-454 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

12 1/2"ID X 13"OD X 1/4"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
66
$2.67

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Quantity Discounts
1-12$2.67
13-74$2.00
75+$1.34
-455 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70455

-455 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

13"ID X 13 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...
27
$2.76

Add:

Quantity Discounts
1-12$2.76
13-73$2.07
74+$1.38
-456 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70456

-456 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

13 1/2"ID X 14"OD X 1/4"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
9
$2.88

Add:

Quantity Discounts
1-11$2.88
12-69$2.16
70+$1.44
-457 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70457

-457 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

14"ID X 14 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...
37
$2.93

Add:

Quantity Discounts
1-11$2.93
12-69$2.20
70+$1.47
-458 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70458

-458 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

14 1/2"ID X 15"OD X 1/4"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
9
$2.96

Add:

Quantity Discounts
1-11$2.96
12-69$2.22
70+$1.48
-459 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70459

-459 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

15"ID X 15 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...
14
$3.26

Add:

Quantity Discounts
1-10$3.26
11-61$2.45
62+$1.63
-460 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70460

-460 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

15 1/2"ID X 16"OD X 1/4"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
49
$3.76

Add:

Quantity Discounts
1-9$3.76
10-54$2.82
55+$1.88