MIL-L-3150C, MILITARY SPECIFICATION: LUBRICATING OIL, PRESERVATIVE, MEDIUM (25 JUL 1985) [S/S BY MIL-PRF-3150D]

MIL-L-3150C, MILITARY SPECIFICATION: LUBRICATING OIL, PRESERVATIVE, MEDIUM (25 JUL 1985) [S/S BY MIL-PRF-3150D]., This specification covers one grade of preservative lubricating oil, identified by Military Symbol PL-M and NATO Code Number 0-192.