MS51966A (NOTICE 2), MILITARY STANDARD: SETSCREW - HEXAGON SOCKET, FLAT POINT, ALLOY STEEL, CADMIUM PLATED, UNF-3A, PLAIN AND SELF-LOCKING (27 OCT 1999) [SUPERSEDED BY NASM51955].
MS51966A (NOTICE 2), MILITARY STANDARD: SETSCREW - HEXAGON SOCKET, FLAT POINT, ALLOY STEEL, CADMIUM PLATED, UNF-3A, PLAIN AND SELF-LOCKING (27 OCT 1999) [SUPERSEDED BY NASM51955].