MIL-PRF-27617F, PERFORMANCE SPECIFICATION: GREASE, AIRCRAFT AND INSTRUMENT, FUEL AND OXIDIZER RESISTANT (17 FEB 1998) [SUPERSEDING MIL-G-2617E]

MIL-PRF-27617F, PERFORMANCE SPECIFICATION: GREASE, AIRCRAFT AND INSTRUMENT, FUEL AND OXIDIZER RESISTANT (17 FEB 1998) [SUPERSEDING MIL-G-2617E]., This specification covers the requirements for greases resistant to hydrocarbon fuel and liquid oxygen and for use as lubricants in aircraft, aerospace vehicles, and supporting equipment (see 6.1). These greases are identified by NATO code numbers as follow (see 6.6): Type I - G397; Type II - G-398; Type III - G-399; and Type IV - G-1350.