SAE AS5861
Original price was: $87.00.$43.00Current price is: $43.00.
Retainer, (Back-Up Rings), Hydraulic and Pneumatic, Polytetrafluoroethylene Resin, Solid, Static Gland
SAE International , 12/14/2005
This SAE Aerospace Standard (AS) covers solid polytetrafluoroethylene (PTFE) retainers (back-up rings) for use in static glands in accordance with AS5857. They are for use in hydraulic and pneumatic system components as anti-extrusion devices in conjunction with O-rings, packings and other elastomeric seals.
Because of the construction of groove dimensions, back-ups specific to rod applications are designated “R” – Rod (Female), back-ups specific to piston applications are designated “P” – Piston (Male).
Retainers specified herein have been designed for a temperature range of -65 to 275 F (-54 to 135 C) and a nominal operating pressure of 3000 psi (20.6 MPa) for code 09 material and 5000 psi (34.3 MPa) for code 10 material. Material codes are based on AMS 3678 material types.
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