Browse Standards AS568D
Current REVISED 2014-03-11

Aerospace Size Standard for O-rings AS568D

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.
AS568D
2014-03-11
Latest
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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