Action Seals & Gaskets

 
Standard O-Ring Sizes and Dimensions
Chart 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

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