MIL-L-53074, MILITARY SPECIFICATION: LUBRICATING OIL, STEAM-CYLINDER, MINERAL (04-AUG-1987) [SUPERSEDING VV-L-1071] [S/S BY MIL-PRF-53074A]

MIL-L-53074, MILITARY SPECIFICATION: LUBRICATING OIL, STEAM-CYLINDER, MINERAL (04-AUG-1987) [SUPERSEDING VV-L-1071] [S/S BY MIL-PRF-53074A]., This specification covers mineral oils intended for the lubrication of saturated and superheated systems and uniflow steam engine cylinders (see 6.1). Military symbol 5190 lubricating oil is intended for use in saturated and superheated steam systems. Military symbol 5230 lubricating oil is intended for and is essential for the lubrication of uniflow steam engine cylinders. Non-government standards that meet the requirements within this specification are not available and military symbol 5190 lubricating oil belongs to NATO standardization.