SAE AS 8791D:2025-07-16
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SAE AS 8791D:2025-07-16

Hydraulic and Pneumatic Retainers (Backup Rings), Polytetrafluoroethylene (PTFE) Resin

Summary

This specification and part standard specifies polytetrafluoroethylene (PTFE) resin material and the dimensional requirements for scarf-cut retainers (backup rings) previously specified by 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 seals and O-rings.

Technical characteristics

Publisher SAE International
Publication Date 07/16/2025
Page Count 12
EAN ---
ISBN ---
Weight (in grams) ---
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