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Data updated: 15 Jan 2026.
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Document ID:
SAE-AS568
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Overview
Title:
O-Rings, Aerospace Size Standard for
Scope:
This Aerospace Standard 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 caskets. The dimensions and tolerances specificed in this standard are suitable for any elastomeric material provided that suitable tooling is available.
Status:
Active
Adoption Date:
12-JUL-2005
Next Review Due:
30-AUG-2026
FSC/Area:
5331
Doc Category:
Society of Automotive Engineers (SAE)
Reaffirmation Date:
01-SEP-2016
Responsibilities
Lead Standardization Activity:
CC
DLA Land and Maritime
Adopting Activity:
CC
DLA Land and Maritime
Coordination:
Full
Army Custodian:
MR
Army Research Laboratory, Weapons and Materials Research Directorate
Navy Custodian:
AS
Naval Air Systems Command
Air Force Custodian:
20
Air Force Research Laboratory (AFRL)
Revision History
Click on column headings for a description of column content.
Media
Document Part Description
Dist Stmt
Document Date
Pages
Size
Notice - Adoption, Tier 2
A
12-JUL-2005
1
10.0 KB
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WARNING: UNAUTHORIZED ACCESS TO THIS UNITED STATES GOVERNMENT COMPUTER SYSTEM AND SOFTWARE IS PROHIBITED BY PUBLIC LAW 99-474 (THE COMPUTER FRAUD AND ABUSE ACT OF 1986) AND CAN RESULT IN ADMINISTRATIVE, DISCIPLINARY OR CRIMINAL PROCEEDINGS.