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-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.




Image Model+ Item Name Qty. Price Quantity Discounts
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....
15
$2.88

Add:

Quantity Discounts
1-152$2.88
153-1,013$2.304
1,014+$1.728
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....
38
$2.94

Add:

Quantity Discounts
1-149$2.94
150-994$2.352
995+$1.764
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....
70
$3.04

Add:

Quantity Discounts
1-144$3.04
145-960$2.432
961+$1.824
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....
61
$3.10

Add:

Quantity Discounts
1-141$3.10
142-942$2.48
943+$1.86
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....
2
$3.16

Add:

Quantity Discounts
1-138$3.16
139-923$2.528
924+$1.896
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....
0
$3.22

Add:
Min Qty:  156
Quantity Discounts
156-136$3.22
137-907$2.576
908+$1.932
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....
19
$4.03

Add:

Quantity Discounts
1-108$4.03
109-723$3.224
724+$2.418
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....
108
$4.09

Add:

Quantity Discounts
1-106$4.09
107-712$3.272
713+$2.454
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....
69
$4.15

Add:

Quantity Discounts
1-105$4.15
106-702$3.32
703+$2.49
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....
0
$4.21

Add:
Min Qty:  119
Quantity Discounts
119-103$4.21
104-692$3.368
693+$2.526
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....
24
$4.27

Add:

Quantity Discounts
1-102$4.27
103-683$3.416
684+$2.562
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....
14
$4.33

Add:

Quantity Discounts
1-100$4.33
101-673$3.464
674+$2.598
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....
1
$4.39

Add:

Quantity Discounts
1-99$4.39
100-664$3.512
665+$2.634
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....
20
$4.51

Add:

Quantity Discounts
1-97$4.51
98-646$3.608
647+$2.706
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....
19
$4.63

Add:

Quantity Discounts
1-94$4.63
95-629$3.704
630+$2.778
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....
2
$4.75

Add:

Quantity Discounts
1-92$4.75
93-614$3.80
615+$2.85
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....
1
$4.87

Add:

Quantity Discounts
1-89$4.87
90-598$3.896
599+$2.922
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....
0
$4.99

Add:
Min Qty:  101
Quantity Discounts
101-87$4.99
88-584$3.992
585+$2.994
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....
3
$5.13

Add:

Quantity Discounts
1-85$5.13
86-568$4.104
569+$3.078
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....
0
$5.25

Add:
Min Qty:  96
Quantity Discounts
96-83$5.25
84-555$4.20
556+$3.15
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....
4
$5.37

Add:

Quantity Discounts
1-81$5.37
82-543$4.296
544+$3.222
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....
14
$5.61

Add:

Quantity Discounts
1-77$5.61
78-519$4.488
520+$3.366
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....
10
$5.87

Add:

Quantity Discounts
1-74$5.87
75-497$4.696
498+$3.522
AS568-448 SN70 (NBR) Buna-N 70 Duro Square O-Ring SN70448

AS568-448 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....
0
$6.10

Add:
Min Qty:  82
Quantity Discounts
82-71$6.10
72-477$4.88
478+$3.66
AS568-449 SN70 (NBR) Buna-N 70 Duro Square O-Ring SN70449

AS568-449 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....
10
$6.34

Add:

Quantity Discounts
1-68$6.34
69-459$5.072
460+$3.804