-400 Series - 0.250 -1/4" CS

Buna-N Square Rings -400 Series - 0.250 - 1/4" CS

Square-rings are square cross-section seals designed to be interchangeable with standard AS568 O-Rings. Complete interchangeability within standard glands is assured in most applications. 6" ID and larger may be vulcanized.

Size not listed, special requirements or large quantities please click this link to Request a Price Quote.

Displaying 1 to 25 (of 47 Products)
Product Image Model Product Name Qty. Price Quantity Discounts
(image for) AS568-405 SN70 (NBR) Buna-N 70 Duro Square O-Ring SN70405

AS568-405 SN70 (NBR) Buna-N 70 Duro Square O-Ring

Square O-rings - Square Cut Washer Rings Square-rings are square cross-section seals designed to be interchangeable with standard AS568 O-Rings. Complete interchangeability within standard glands is assured in most applications. Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of Butadiene and Acrylonitirle. It has a temperature range of -40F to +250F and is...
 In Stock: 134
$24.930
Add:
Quantity Discounts
1-9$24.930
10-399$4.986
400-999$3.490
1,000+$2.792
(image for) AS568-419 SN70 (NBR) Buna-N 70 Duro Square O-Ring SN70419

AS568-419 SN70 (NBR) Buna-N 70 Duro Square O-Ring

Square O-rings - Square Cut Washer Rings Square-rings are square cross-section seals designed to be interchangeable with standard AS568 O-Rings. Complete interchangeability within standard glands is assured in most applications. Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of Butadiene and Acrylonitirle. It has a temperature range of -40F to +250F and is...
 In Stock: 1117
$30.720
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Quantity Discounts
1-9$30.720
10-299$6.143
300-999$4.300
1,000+$3.440
(image for) AS568-425 SN70 (NBR) Buna-N 70 Duro Square O-Ring SN70425

AS568-425 SN70 (NBR) Buna-N 70 Duro Square O-Ring

Square O-rings - Square Cut Washer Rings Square-rings are square cross-section seals designed to be interchangeable with standard AS568 O-Rings. Complete interchangeability within standard glands is assured in most applications. Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of Butadiene and Acrylonitirle. It has a temperature range of -40F to +250F and is...
 In Stock: 0
$2.602
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Min Qty:  5
Quantity Discounts
5-49$2.602
50-1,899$0.949
1,900-4,999$0.664
5,000+$0.531
(image for) AS568-426 SN70 (NBR) Buna-N 70 Duro Square O-Ring SN70426

AS568-426 SN70 (NBR) Buna-N 70 Duro Square O-Ring

Square O-rings - Square Cut Washer Rings Square-rings are square cross-section seals designed to be interchangeable with standard AS568 O-Rings. Complete interchangeability within standard glands is assured in most applications. Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of Butadiene and Acrylonitirle. It has a temperature range of -40F to +250F and is...
 In Stock: 948
$2.630
Add:
Min Qty:  5
Quantity Discounts
5-49$2.630
50-1,799$0.969
1,800-4,999$0.678
5,000+$0.542
(image for) AS568-427 SN70 (NBR) Buna-N 70 Duro Square O-Ring SN70427

AS568-427 SN70 (NBR) Buna-N 70 Duro Square O-Ring

Square O-rings - Square Cut Washer Rings Square-rings are square cross-section seals designed to be interchangeable with standard AS568 O-Rings. Complete interchangeability within standard glands is assured in most applications. Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of Butadiene and Acrylonitirle. It has a temperature range of -40F to +250F and is...
 In Stock: 1571
$2.664
Add:
Min Qty:  5
Quantity Discounts
5-49$2.664
50-1,799$1.003
1,800-3,999$0.702
4,000+$0.561
(image for) AS568-428 SN70 (NBR) Buna-N 70 Duro Square O-Ring SN70428

AS568-428 SN70 (NBR) Buna-N 70 Duro Square O-Ring

Square O-rings - Square Cut Washer Rings Square-rings are square cross-section seals designed to be interchangeable with standard AS568 O-Rings. Complete interchangeability within standard glands is assured in most applications. Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of Butadiene and Acrylonitirle. It has a temperature range of -40F to +250F and is...
 In Stock: 60
$2.694
Add:
Min Qty:  5
Quantity Discounts
5-49$2.694
50-1,699$1.022
1,700-3,999$0.715
4,000+$0.572
(image for) AS568-429 SN70 (NBR) Buna-N 70 Duro Square O-Ring SN70429

AS568-429 SN70 (NBR) Buna-N 70 Duro Square O-Ring

Square O-rings - Square Cut Washer Rings Square-rings are square cross-section seals designed to be interchangeable with standard AS568 O-Rings. Complete interchangeability within standard glands is assured in most applications. Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of Butadiene and Acrylonitirle. It has a temperature range of -40F to +250F and is...
 In Stock: 465
$2.724
Add:
Min Qty:  5
Quantity Discounts
5-49$2.724
50-1,699$1.042
1,700-3,999$0.729
4,000+$0.583
(image for) AS568-430 SN70 (NBR) Buna-N 70 Duro Square O-Ring SN70430

AS568-430 SN70 (NBR) Buna-N 70 Duro Square O-Ring

Square O-rings - Square Cut Washer Rings Square-rings are square cross-section seals designed to be interchangeable with standard AS568 O-Rings. Complete interchangeability within standard glands is assured in most applications. Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of Butadiene and Acrylonitirle. It has a temperature range of -40F to +250F and is...
 In Stock: 0
$2.752
Add:
Min Qty:  5
Quantity Discounts
5-49$2.752
50-1,699$1.062
1,700-3,999$0.743
4,000+$0.594
(image for) AS568-431 SN70 (NBR) Buna-N 70 Duro Square O-Ring SN70431

AS568-431 SN70 (NBR) Buna-N 70 Duro Square O-Ring

Square O-rings - Square Cut Washer Rings Square-rings are square cross-section seals designed to be interchangeable with standard AS568 O-Rings. Complete interchangeability within standard glands is assured in most applications. Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of Butadiene and Acrylonitirle. It has a temperature range of -40F to +250F and is...
 In Stock: 11
$2.952
Add:
Min Qty:  5
Quantity Discounts
5-39$2.952
40-1,299$1.332
1,300-2,999$0.932
3,000+$0.745
(image for) AS568-432 SN70 (NBR) Buna-N 70 Duro Square O-Ring SN70432

AS568-432 SN70 (NBR) Buna-N 70 Duro Square O-Ring

Square O-rings - Square Cut Washer Rings Square-rings are square cross-section seals designed to be interchangeable with standard AS568 O-Rings. Complete interchangeability within standard glands is assured in most applications. Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of Butadiene and Acrylonitirle. It has a temperature range of -40F to +250F and is...
 In Stock: 99
$6.750
Add:
Quantity Discounts
1-39$6.750
40-1,299$1.350
1,300-2,999$0.945
3,000+$0.756
(image for) AS568-433 SN70 (NBR) Buna-N 70 Duro Square O-Ring SN70433

AS568-433 SN70 (NBR) Buna-N 70 Duro Square O-Ring

Square O-rings - Square Cut Washer Rings Square-rings are square cross-section seals designed to be interchangeable with standard AS568 O-Rings. Complete interchangeability within standard glands is assured in most applications. Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of Butadiene and Acrylonitirle. It has a temperature range of -40F to +250F and is...
 In Stock: 66
$3.238
Add:
Min Qty:  5
Quantity Discounts
5-39$3.238
40-1,299$1.370
1,300-2,999$0.959
3,000+$0.767
(image for) AS568-434 SN70 (NBR) Buna-N 70 Duro Square O-Ring SN70434

AS568-434 SN70 (NBR) Buna-N 70 Duro Square O-Ring

Square O-rings - Square Cut Washer Rings Square-rings are square cross-section seals designed to be interchangeable with standard AS568 O-Rings. Complete interchangeability within standard glands is assured in most applications. Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of Butadiene and Acrylonitirle. It has a temperature range of -40F to +250F and is...
 In Stock: 0
$3.296
Add:
Min Qty:  5
Quantity Discounts
5-39$3.296
40-1,299$1.390
1,300-2,999$0.973
3,000+$0.778
(image for) AS568-435 SN70 (NBR) Buna-N 70 Duro Square O-Ring SN70435

AS568-435 SN70 (NBR) Buna-N 70 Duro Square O-Ring

Square O-rings - Square Cut Washer Rings Square-rings are square cross-section seals designed to be interchangeable with standard AS568 O-Rings. Complete interchangeability within standard glands is assured in most applications. Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of Butadiene and Acrylonitirle. It has a temperature range of -40F to +250F and is...
 In Stock: 24
$3.354
Add:
Min Qty:  5
Quantity Discounts
5-39$3.354
40-1,299$1.412
1,300-2,999$0.988
3,000+$0.790
(image for) AS568-436 SN70 (NBR) Buna-N 70 Duro Square O-Ring SN70436

AS568-436 SN70 (NBR) Buna-N 70 Duro Square O-Ring

Square O-rings - Square Cut Washer Rings Square-rings are square cross-section seals designed to be interchangeable with standard AS568 O-Rings. Complete interchangeability within standard glands is assured in most applications. Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of Butadiene and Acrylonitirle. It has a temperature range of -40F to +250F and is...
 In Stock: 0
$3.740
Add:
Quantity Discounts
1-29$3.740
30-1,299$1.429
1,300-2,999$1.000
3,000+$0.800
(image for) AS568-437 SN70 (NBR) Buna-N 70 Duro Square O-Ring SN70437

AS568-437 SN70 (NBR) Buna-N 70 Duro Square O-Ring

Square O-rings - Square Cut Washer Rings Square-rings are square cross-section seals designed to be interchangeable with standard AS568 O-Rings. Complete interchangeability within standard glands is assured in most applications. Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of Butadiene and Acrylonitirle. It has a temperature range of -40F to +250F and is...
 In Stock: 51
$3.782
Add:
Min Qty:  5
Quantity Discounts
5-29$3.782
30-1,199$1.450
1,200-2,999$1.015
3,000+$0.812
(image for) AS568-438 SN70 (NBR) Buna-N 70 Duro Square O-Ring SN70438

AS568-438 SN70 (NBR) Buna-N 70 Duro Square O-Ring

Square O-rings - Square Cut Washer Rings Square-rings are square cross-section seals designed to be interchangeable with standard AS568 O-Rings. Complete interchangeability within standard glands is assured in most applications. Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of Butadiene and Acrylonitirle. It has a temperature range of -40F to +250F and is...
 In Stock: 3
$3.820
Add:
Min Qty:  5
Quantity Discounts
5-29$3.820
30-1,199$1.490
1,200-2,999$1.043
3,000+$0.834
(image for) AS568-439 SN70 (NBR) Buna-N 70 Duro Square O-Ring SN70439

AS568-439 SN70 (NBR) Buna-N 70 Duro Square O-Ring

Square O-rings - Square Cut Washer Rings Square-rings are square cross-section seals designed to be interchangeable with standard AS568 O-Rings. Complete interchangeability within standard glands is assured in most applications. Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of Butadiene and Acrylonitirle. It has a temperature range of -40F to +250F and is...
 In Stock: 203
$4.088
Add:
Min Qty:  5
Quantity Discounts
5-29$4.088
30-1,199$1.529
1,200-2,999$1.070
3,000+$0.856
(image for) AS568-440 SN70 (NBR) Buna-N 70 Duro Square O-Ring SN70440

AS568-440 SN70 (NBR) Buna-N 70 Duro Square O-Ring

Square O-rings - Square Cut Washer Rings Square-rings are square cross-section seals designed to be interchangeable with standard AS568 O-Rings. Complete interchangeability within standard glands is assured in most applications. Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of Butadiene and Acrylonitirle. It has a temperature range of -40F to +250F and is...
 In Stock: 0
$4.850
Add:
Quantity Discounts
1-29$4.850
30-1,099$1.569
1,100-2,999$1.098
3,000+$0.878
(image for) AS568-441 SN70 (NBR) Buna-N 70 Duro Square O-Ring SN70441

AS568-441 SN70 (NBR) Buna-N 70 Duro Square O-Ring

Square O-rings - Square Cut Washer Rings Square-rings are square cross-section seals designed to be interchangeable with standard AS568 O-Rings. Complete interchangeability within standard glands is assured in most applications. Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of Butadiene and Acrylonitirle. It has a temperature range of -40F to +250F and is...
 In Stock: 11
$4.890
Add:
Quantity Discounts
1-29$4.890
30-1,099$1.608
1,100-2,999$1.125
3,000+$0.900
(image for) AS568-442 SN70 (NBR) Buna-N 70 Duro Square O-Ring SN70442

AS568-442 SN70 (NBR) Buna-N 70 Duro Square O-Ring

Square O-rings - Square Cut Washer Rings Square-rings are square cross-section seals designed to be interchangeable with standard AS568 O-Rings. Complete interchangeability within standard glands is assured in most applications. Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of Butadiene and Acrylonitirle. It has a temperature range of -40F to +250F and is...
 In Stock: 0
$5.030
Add:
Quantity Discounts
1-29$5.030
30-1,099$1.648
1,100-2,999$1.153
3,000+$0.922
(image for) AS568-443 SN70 (NBR) Buna-N 70 Duro Square O-Ring SN70443

AS568-443 SN70 (NBR) Buna-N 70 Duro Square O-Ring

Square O-rings - Square Cut Washer Rings Square-rings are square cross-section seals designed to be interchangeable with standard AS568 O-Rings. Complete interchangeability within standard glands is assured in most applications. Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of Butadiene and Acrylonitirle. It has a temperature range of -40F to +250F and is...
 In Stock: 21
$5.160
Add:
Quantity Discounts
1-29$5.160
30-1,099$1.696
1,100-2,999$1.187
3,000+$0.949
(image for) AS568-444 SN70 (NBR) Buna-N 70 Duro Square O-Ring SN70444

AS568-444 SN70 (NBR) Buna-N 70 Duro Square O-Ring

Square O-rings - Square Cut Washer Rings Square-rings are square cross-section seals designed to be interchangeable with standard AS568 O-Rings. Complete interchangeability within standard glands is assured in most applications. Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of Butadiene and Acrylonitirle. It has a temperature range of -40F to +250F and is...
 In Stock: 0
$5.290
Add:
Quantity Discounts
1-29$5.290
30-999$1.733
1,000-2,999$1.213
3,000+$0.970
(image for) AS568-445 SN70 (NBR) Buna-N 70 Duro Square O-Ring SN70445

AS568-445 SN70 (NBR) Buna-N 70 Duro Square O-Ring

Square O-rings - Square Cut Washer Rings Square-rings are square cross-section seals designed to be interchangeable with standard AS568 O-Rings. Complete interchangeability within standard glands is assured in most applications. Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of Butadiene and Acrylonitirle. It has a temperature range of -40F to +250F and is...
 In Stock: 3
$5.430
Add:
Quantity Discounts
1-29$5.430
30-999$1.775
1,000-2,999$1.242
3,000+$0.993
(image for) AS568-446 SN70 (NBR) Buna-N 70 Duro Square O-Ring SN70446

AS568-446 SN70 (NBR) Buna-N 70 Duro Square O-Ring

Square O-rings - Square Cut Washer Rings Square-rings are square cross-section seals designed to be interchangeable with standard AS568 O-Rings. Complete interchangeability within standard glands is assured in most applications. Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of Butadiene and Acrylonitirle. It has a temperature range of -40F to +250F and is...
 In Stock: 590
$5.860
Add:
Quantity Discounts
1-29$5.860
30-999$1.853
1,000-1,999$1.297
2,000+$1.037
(image for) AS568-447 SN70 (NBR) Buna-N 70 Duro Square O-Ring SN70447

AS568-447 SN70 (NBR) Buna-N 70 Duro Square O-Ring

Square O-rings - Square Cut Washer Rings Square-rings are square cross-section seals designed to be interchangeable with standard AS568 O-Rings. Complete interchangeability within standard glands is assured in most applications. Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of Butadiene and Acrylonitirle. It has a temperature range of -40F to +250F and is...
 In Stock: 79
$6.070
Add:
Quantity Discounts
1-29$6.070
30-899$1.936
900-1,999$1.355
2,000+$1.084
Displaying 1 to 25 (of 47 Products)