Browse Standards AS568E
Historical REVISED 2020-03-02

Aerospace Size Standard for O-Rings AS568E

This SAE Aerospace Standard (AS) specifies the inside diameters, cross-sections, tolerances, and size identification codes (dash numbers) for O-rings used in sealing applications and for straight thread tube fitting boss gaskets. The dimensions and tolerances specified in this standard are suitable for any elastomeric material provided that suitable tooling is available.
AS568F
2020-09-29
Latest
Revised
AS568E
2020-03-02
Historical
Revised
AS568D
2014-03-11
Historical
Revised
AS568C
2008-12-03
Historical
Revised
AS568B
2001-03-01
Historical
Revised
AS568A
1995-05-01
Historical
Reaffirmed
AS568
1971-07-30
Historical
Issued

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