Table 3-5.—Common Military Lubricants and Their Use RECOMMENDED TITLE AND TEMPERATURE GENERAL SPECIFICATION RANGE COMPOSITION INTENDED USE MIL-G-23827 –100° to 250ºF Thickening agent, low- Actuator screws, gears, controls, [Grease, Aircraft, temperature synthetic oils, rolling-element bearings, gen- Synthetic, Extreme or mixtures EP additive eral instrument use Pressure] MIL-G-21164 –100° to 250ºF Similar to MIL-G-23827 Sliding steel on steel heavily [Grease, Aircraft, plus molybdenum disul- loaded hinges, rolling element Synthetic, Molyb- fide bearing where specified denum Disulfide] MIL-G-81322 –65° to 350°F Thickening agent and O-rings, certain splines, ball [Grease, Aircraft, synthetic hydrocarbon. and roller bearing assemblies, General Purpose, Wide Has cleanliness require- primarily wheel bearings in Temperature Range] ments internal brake assemblies and where compatibility with rub- ber is required MIL-G-4343 -65° to 200°F Thickening agent and Rubber to metal lubrication: [Grease, Pneumatic blend of silicone and pneumatic and oxygen systems System] diester MIL-G-25537 –65° to 160°F Thickening agent and Lubrication of bearings having [Grease, Helicopter mineral oil oscillating motion of small Oscillating Bearing] amplitude MIL-G-6032 32° to 200°F Thickening agent, vegeta- Pump bearings, valves and [Grease, Plug Valve, ble oils, glycerols, and/or fittings where specified for fuel Gasoline and Oil polyesters resistance Resistant] MIL-G-27617 –30° to 400°F Thickening agent and Tapered plug and oxygen sys- [Grease, Aircraft Fuel fluorocarbon or fluoro- tem valves; certain fuel system and Oil Resistant] silicone components; antiseize MIL-G-25013 –100° to 450°F Thickening agent and sili- Ball and roller bearing lubri- [Grease, Ball and cone fluid cation Roller Bearing, Extreme High Temp.] 3-23