how an o-ring functions
\ physical
properties of o-ring compounds \ types of seals \ general design and gland
dimensions \ standard
o-ring sizes and dimensions \ compound
information
|
Standard
O-Ring Sizes and Dimensions
|
|
dash numbers correlate to the AS568A numbering
system.
|
|
AS568A -425 through
-475
|
1/4"
Cross-Section (w), actual .275"
|
|
No.
|
I.D."
|
Actual
|
O.D."
|
No.
|
I.D."
|
Actual
|
O.D."
|
No.
|
I.D."
|
Actual
|
O.D."
|
|
-425
|
4-1/2
|
4.475
|
5
|
-442
|
7-1/4
|
7.225
|
7-3/4
|
-459
|
15
|
14.975
|
15-1/2
|
|
-426
|
4-5/8
|
4.600
|
5-1/8
|
-443
|
7-1/2
|
7.475
|
8
|
-460
|
15-1/2
|
15.475
|
16
|
|
-427
|
4-3/4
|
4.725
|
5-1/4
|
-444
|
7-3/4
|
7.725
|
8-1/4
|
-461
|
16
|
15.955
|
16-1/2
|
|
-428
|
4-7/8
|
4.850
|
5-3/8
|
-445
|
8
|
7.975
|
8-1/2
|
-462
|
16-1/2
|
16.455
|
17
|
|
-429
|
5
|
4.975
|
5-1/2
|
-446
|
8-1/2
|
8.475
|
9
|
-463
|
17
|
16.955
|
17-1/2
|
|
-430
|
5-1/8
|
5.100
|
5-5/8
|
-447
|
9
|
8.975
|
9-1/2
|
-464
|
17-1/2
|
17.455
|
18
|
|
-431
|
5-1/4
|
5.225
|
5-3/4
|
-448
|
9-1/2
|
9.475
|
10
|
-465
|
18
|
17.955
|
18-1/2
|
|
-432
|
5-3/8
|
5.350
|
5-7/8
|
-449
|
10
|
9.975
|
10-1/2
|
-466
|
18-1/2
|
18.455
|
19
|
|
-433
|
5-1/2
|
5.475
|
6
|
-450
|
10-1/2
|
10.475
|
11
|
-467
|
19
|
18.955
|
19-1/2
|
|
-434
|
5-5/8
|
5.600
|
6-1/8
|
-451
|
11
|
10.975
|
11-1/2
|
-468
|
19-1/2
|
19.455
|
20
|
|
-435
|
5-3/4
|
5.725
|
6-1/4
|
-452
|
11-1/2
|
11.475
|
12
|
-469
|
20
|
19.955
|
20-1/2
|
|
-436
|
5-7/8
|
5.850
|
6-3/8
|
-453
|
12
|
11.975
|
12-1/2
|
-470
|
21
|
20.955
|
21-1/2
|
|
-437
|
6
|
5.975
|
6-1/2
|
-454
|
12-1/2
|
12.475
|
13
|
-471
|
22
|
21.955
|
22-1/2
|
|
-438
|
6-1/4
|
6.225
|
6-3/4
|
-455
|
13
|
12.975
|
13-1/2
|
-472
|
23
|
22.940
|
23-1/2
|
|
-439
|
6-1/2
|
6.475
|
7
|
-456
|
13-1/2
|
13.475
|
14
|
-473
|
24
|
23.940
|
24-1/2
|
|
-440
|
6-3/4
|
6.725
|
7-1/4
|
-457
|
14
|
13.975
|
14-1/2
|
-474
|
25
|
24.940
|
25-1/2
|
|
-441
|
7
|
6.975
|
7-1/2
|
-458
|
14-1/2
|
14.475
|
15
|
-475
|
26
|
25.940
|
26-1/2
|
-back to list-
|