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17/10/24

Elastomeric O Rings

NBR 70

Newark.com/multicomp-pro

Farnell.com/multicomp-pro

sg.element14.com/b/multicomp-pro

Description

These is the Aerospace Size Standard for O-rings from the Society of Automotive Engineers. Simrit manufactures and supplies

the complete range of standard These sizes in a wide range of elastomeric O-ring materials. The following sizes are grouped

by cross-section and listed numerically by inside diameter.

AS568

Nominal (refer.)

Measurements in inches

Measurements in millimeters

AS568

SIZE

ID

CS

ID

±

CS

±

ID

±

CS

±

SIZE

-006

1/8

1/16

0.114

0.005

0.070

0.003

2.90

0.13

1.78

0.08

-006

-007

5/32

1/16

0.145

0.005

0.070

0.003

3.68

0.13

1.78

0.08

-007

-008

3/16

1/16

0.176

0.005

0.070

0.003

4.47

0.13

1.78

0.08

-008

-009

7/32

1/16

0.208

0.005

0.070

0.003

5.28

0.13

1.78

0.08

-009

-010

1/4

1/16

0.239

0.005

0.070

0.003

6.07

0.13

1.78

0.08

-010

-011

5/16

1/16

0.301

0.005

0.070

0.003

7.65

0.13

1.78

0.08

-011

-012

3/8

1/16

0.364

0.005

0.070

0.003

9.25

0.13

1.78

0.08

-012

-013

7/16

1/16

0.426

0.005

0.070

0.003

10.82

0.13

1.78

0.08

-013

-014

1/2

1/16

0.489

0.005

0.070

0.003

12.42

0.13

1.78

0.08

-014

-015

9/16

1/16

0.551

0.007

0.070

0.003

14

0.18

1.78

0.08

-015

-016

5/8

1/16

0.614

0.009

0.070

0.003

15.6

0.23

1.78

0.08

-016

-017

11/16

1/16

0.676

0.009

0.070

0.003

17.17

0.23

1.78

0.08

-017

-018

3/4

1/16

0.739

0.009

0.070

0.003

18.77

0.23

1.78

0.08

-018

-019

13/16

1/16

0.801

0.009

0.070

0.003

20.35

0.23

1.78

0.08

-019

-020

7/8

1/16

0.864

0.009

0.070

0.003

21.95

0.23

1.78

0.08

-020

-021

15/16

1/16

0.926

0.009

0.070

0.003

23.52

0.23

1.78

0.08

-021

-022

1

1/16

0.989

0.01

0.070

0.003

25.12

0.25

1.78

0.08

-022

-023

11/16

1/16

1.051

0.01

0.070

0.003

26.7

0.25

1.78

0.08

-023

-024

11/8

1/16

1.114

0.01

0.070

0.003

28.3

0.25

1.78

0.08

-024

-025

13/16

1/16

1.176

0.011

0.070

0.003

29.87

0.28

1.78

0.08

-025

-026

11/4

1/16

1.239

0.011

0.070

0.003

31.47

0.28

1.78

0.08

-026

-027

15/16

1/16

1.301

0.011

0.070

0.003

33.05

0.28

1.78

0.08

-027

-028

13/8

1/16

1.364

0.013

0.070

0.003

34.65

0.33

1.78

0.08

-028

-029

11/2

1/16

1.489

0.013

0.070

0.003

37.82

0.33

1.78

0.08

-029

Diagram