AS5861B: Retainers, (Backup Rings), Hydraulic and Pneumatic, Polytetrafluoroethylene Resin, Solid, Un-Cut, for Use in Static Glands to AS5857 - Technical Standard

Features

Issuing Committee: A-6C2 Seals Committee

Scope

Content: This SAE Aerospace Standard (AS) specifies solid polytetrafluoroethylene (PTFE) retainers (backup rings) for use in static glands in accordance with AS5857. They are usually for use in hydraulic and pneumatic systems as anti-extrusion devices in conjunction with O-rings and other seals.

NOTE: This specification includes material tests but does not include hydraulic or pneumatic performance tests.

Rationale

Content

This document has been revised to:

Add the requirement that no resizing of parts during the manufacturing process is permitted
Clarify the use in AS5857 glands
Add the stabilized temperature at which measurements shall be taken
Add the dimensional stability requirement of material tubes to 4.1
Include some editorial corrections and improvements
Update the references

Meta Tags

Topics: Materials testing
Materials properties
Tensile strength
Seals and gaskets
Pneumatic systems

Details

DOI: https://doi.org/10.4271/AS5861B

Pages: 20

Citation: SAE International Technical Standard, Retainers, (Backup Rings), Hydraulic and Pneumatic, Polytetrafluoroethylene Resin, Solid, Un-Cut, for Use in Static Glands to AS5857, SAE Standard AS5861B, Revised November 2020, Issued December 2005, https://doi.org/10.4271/AS5861B.

Additional Details

Publisher: SAE International

Published: Nov 19, 2020

Product Code: AS5861B

Content Type: Technical Standard

Status: Revised

Language: English

Historical