MIL-P-18547A, MILITARY SPECIFICATION: PUMPS, ROTARY, POWER DRIVEN, NAVAL SHIPBOARD MAIN LUBRICATING OIL SERVICE (28-JUN-1963) [S/S BY ASTM F1510]

MIL-P-18547A, MILITARY SPECIFICATION: PUMPS, ROTARY, POWER DRIVEN, NAVAL SHIPBOARD MAIN LUBRICATING OIL SERVICE (28-JUN-1963) [S/S BY ASTM F1510]., This specification covers positive displacement rotary main lubricating oil service pumps, motor driven, turbine driven, chain driven or attached pumps driven by the main reduction gear.