Product Code:SAE AS1339 Title:Hose Assembly, Polytetrafluoroethylene, Metallic Reinforced, 3000 psi, 400 掳F, Lightweight, Hydraulic and Pneumatic Issuing Committee:G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies Scope:This Aerospace Standard (AS) defines the requirements for a lightweight polytetrafluoroethylene (PTFE) lined, metallic reinforced, hose assembly suitable for use in high temperature, 400 掳F, high pressure, 3000 psi, aircraft hydraulic systems, also for use in pneumatic systems which allow some gaseous diffusion through the PTFE wall.