This SAE Aerospace Standard (AS) specifies solid, uncut polytetrafluoroethylene (PTFE) retainers (backup rings) for use in glands in accordance with AS4716. They are usually used in hydraulic and pneumatic system components as anti-extrusion devices in conjunction with O-rings and other seals for static and dynamic applications. This document has been revised to: Add the requirement that no resizing of parts during the manufacturing process is permitted. Clarify the use in AS4716 glands. Add the dimensional stability requirement of material tubes to 4.1. Include some editorial corrections and improvements.


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    Title :

    Retainers (Backup Rings), Hydraulic and Pneumatic, Polytetrafluoroethylene Resin, Solid, Un-Cut, for Use in AS4716 Glands


    Publication date :

    2020-10-06



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English