SAE AS5782 Retainers (Backup Rings), Hydraulic and Pneumatic, Polytetrafluoroethylene Resin, Solid, Un-Cut, For Use in A
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Product Code:SAE AS5782
Title:Retainers (Backup Rings), Hydraulic and Pneumatic, Polytetrafluoroethylene Resin, Solid, Un-Cut, For Use in AS4716 Glands
Issuing Committee:A-6c2 Seals Committee
Scope:This SAE Aerospace Standard (AS) covers solid, uncut polytetrafluoroethylene (PTFE) retainers (backup rings) for use in glands in accordance with AS4716. They are for use in hydraulic and pneumatic system components as anti-extrusion devices in conjunction with O-rings, packings and other elastomeric seals for static and dynamic applications.Because of the construction of groove dimensions, backup rings specific to rod applications are designated 驴R驴 - Rod (Female), backup rings specific to piston applications are designated 驴P驴 - Piston (Male). Piston and rod types of virgin pigmented PTFE are also identified by color code which also distinguishes parts to this standard from those made from virgin PTFE to other standards.Backup rings specified herein have been designed for a temperature range of -65 to 275 掳F (-54 to 135 掳C) and a nominal operating pressure of 3000 psi (20.7 MPa) for code 09 material (AMS 3678/9). Alternate materials to AMS 3678 are offered for more arduous operating conditions.This specification includes material tests but does not include hydraulic or pneumatic performance tests.
Title:Retainers (Backup Rings), Hydraulic and Pneumatic, Polytetrafluoroethylene Resin, Solid, Un-Cut, For Use in AS4716 Glands
Issuing Committee:A-6c2 Seals Committee
Scope:This SAE Aerospace Standard (AS) covers solid, uncut polytetrafluoroethylene (PTFE) retainers (backup rings) for use in glands in accordance with AS4716. They are for use in hydraulic and pneumatic system components as anti-extrusion devices in conjunction with O-rings, packings and other elastomeric seals for static and dynamic applications.Because of the construction of groove dimensions, backup rings specific to rod applications are designated 驴R驴 - Rod (Female), backup rings specific to piston applications are designated 驴P驴 - Piston (Male). Piston and rod types of virgin pigmented PTFE are also identified by color code which also distinguishes parts to this standard from those made from virgin PTFE to other standards.Backup rings specified herein have been designed for a temperature range of -65 to 275 掳F (-54 to 135 掳C) and a nominal operating pressure of 3000 psi (20.7 MPa) for code 09 material (AMS 3678/9). Alternate materials to AMS 3678 are offered for more arduous operating conditions.This specification includes material tests but does not include hydraulic or pneumatic performance tests.
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