AS8791D: Hydraulic and Pneumatic Retainers (Backup Rings), Polytetrafluoroethylene (PTFE) Resin - Technical Standard

Features

Issuing Committee: A-6C2 Seals Committee

Scope

Content: 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.

Meta Tags

Topics: Resins
Seals and gaskets
Fittings
Manufacturing processes

Details

DOI: https://doi.org/10.4271/AS8791D

Pages: 12

Citation: SAE International Technical Standard, Hydraulic and Pneumatic Retainers (Backup Rings), Polytetrafluoroethylene (PTFE) Resin, SAE Standard AS8791D, Reaffirmed July 2025, Revised January 2020, Issued October 1997, https://doi.org/10.4271/AS8791D.

Additional Details

Publisher: SAE International

Published: Jul 16

Product Code: AS8791D

Content Type: Technical Standard

Status: Reaffirmed

Language: English

Historical