MS51850 (NOTICE 1), MILITARY STANDARD: SCREW, TAPPING - THREAD FORMING, TYPE AB, HEXAGON HEAD, SLOTTED (20 MAY 1988) [SUPERSEDED BY NASM51850].
MS51850 (NOTICE 1), MILITARY STANDARD: SCREW, TAPPING - THREAD FORMING, TYPE AB, HEXAGON HEAD, SLOTTED (20 MAY 1988) [SUPERSEDED BY NASM51850].