MIL-PRF-17331L, PERFORMANCE SPECIFICATION: LUBRICATING OIL, STEAM TURBINE AND GEAR, MODERATE SERVICE (17-AUG-2018)

MIL-PRF-17331L, PERFORMANCE SPECIFICATION: LUBRICATING OIL, STEAM TURBINE AND GEAR, MODERATE SERVICE (17-AUG-2018)., This specification covers a single classification of moderate service steam turbine and gear lubricating oil for use in main and auxiliary turbines and gears, air compressors, and certain hydraulic equipment, as well as for general mechanical lubrication.