SAE AS568F PDF 2026
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Aerospace Size Standard for O-Rings
Description
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.
History
| AS568F | 2026-01-29 | Latest | Revised |
| AS568F | 2020-09-29 | Historical | 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 |
| ISSUING COMMITTEE | A-6C2 Seals Committee |
|---|---|
| DATE | 2026-01-29 |
| DOI | https://doi.org/10.4271/AS568F 2026-01-29 |
| ISCURRENT | Current |
| PAGE | 13 |
| PUBLISHER | SAE International |
| REVISED | REVISED |
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