SAE AS8791A PDF
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Hydraulic and Pneumatic Retainers (Back-Up Rings), Polytetrafluoroethylene (PTFE) Resin
Description
This specification and part standard covers polytetrafluoroethylene (PTFE) resin material and the dimensional requirements for retainers (back-up rings) previously covered by AS8791 and AS8791/1 which superseded MIL-R-8791 and MIL-R-8791/1. The retainers are intended for use in hydraulic and pneumatic system components as anti-extrusion devices in conjunction with packings and O-rings.
History
| AS8791D | 2025-07-16 | Latest | Reaffirmed |
| AS8791C | 2014-10-27 | Historical | Revised |
| AS8791B | 2009-03-13 | Historical | Revised |
| AS8791A | 2003-06-24 | Historical | Revised |
| AS8791 | 1997-10-01 | Historical | Issued |
| ISSUING COMMITTEE | A-6C2 Seals Committee |
|---|---|
| DATE | 2003-06-24 |
| DOI | |
| ISCURRENT | |
| PAGE | 11 |
| PUBLISHER | SAE International |
| REVISED | REVISED |
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