MIL-F-27272A, MILITARY SPECIFICATION: FITTINGS, POLYTETRAFLUOROETHYLENE HOSE, HIGH-TEMPERATURE, MEDIUM-PRESSURE, GENERAL SPECIFICATION FOR (02 MAY 1966) [S/S BY MIL-DTL-27272C]., This specification covers the requirements for fittings for medium-pressure, high- temperature tetrafluoroethylene (PTFE) hose fittings.