MIL-G-27617E, MILITARY SPECIFICATION: GREASE, AIRCRAFT AND INSTRUMENT, FUEL AND OXIDIZER RESISTANT (15 APR 1994) {S/S BY MIL-PRF-2617F]

MIL-G-27617E, MILITARY SPECIFICATION: GREASE, AIRCRAFT AND INSTRUMENT, FUEL AND OXIDIZER RESISTANT (15 APR 1994) {S/S BY MIL-PRF-2617F]., 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.