NORMSERVIS s.r.o.

SAE AS8791D

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

STANDARD published on 1.7.2025

English -
electronic design (pdf) (106.90 USD)
English -
Print design (106.90 USD)

The information about the standard:

Designation standards: SAE AS8791D
Publication date standards: 1.7.2025
Country: American technical standard
Category: Technical standards SAE

Annotation of standard text SAE AS8791D :


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.

SUBFILE: Aerospace
TYPE OF DOCUMENT: Aerospace Standard