MIL-PRF-32033 (w/AMENDMENT 2), PERFORMANCE SPECIFICATION LUBRICATING OIL, GENERAL PURPOSE, PRESERVATIVE (WATER-DISPLACING, LOW TEMPERATURE) (11 JUL 2006)., This specification covers one type and grade of water-displacing, preservative lubricating oil, known hereinafter as “oil”, for general purpose applications at low temperatures. The oil can be applied by dipping, brushing, or by spraying from gas-pressurized cans. The oil is identified by Military Symbol PL-S and NATO Code Number O-190.