MIL-PRF-17331H (AMENDMENT 3), PERFORMANCE SPECIFICATION: LUBRICATING OIL, STEAM TURBINE AND GEAR, MODERATE SERVICE (20 MAR 1995) [SUPERSEDING MIL-L-17331G]
MIL-PRF-17331H (AMENDMENT 3), PERFORMANCE SPECIFICATION: LUBRICATING OIL, STEAM TURBINE AND GEAR, MODERATE SERVICE (20 MAR 1995) [SUPERSEDING MIL-L-17331G].,