MIL-H-27601B, MILITARY SPECIFICATION: HYDRAULIC FLUID, FIRE RESISTANT, HYDROGENATED POLYALPHAOLEFIN BASE, HIGH TEMPERATURE, FLIGHT VEHICLE (25 AUG 1993) [S/S BY MIL-PRF-27601C]

MIL-H-27601B, MILITARY SPECIFICATION: HYDRAULIC FLUID, FIRE RESISTANT, HYDROGENATED POLYALPHAOLEFIN BASE, HIGH TEMPERATURE, FLIGHT VEHICLE (25 AUG 1993) [S/S BY MIL-PRF-27601C]., This specification covers the general requirement for a polyalphaolefin base hydraulic fluid for use from -40 Deg. C to 290 Deg. C.