MS51974B (NOTICE 2), MILITARY STANDARD: SETSCREW-HEXAGON SOCKET, CONE POINT, ALLOY STEEL, CADMIUM PLATED, UNF-3A, PLAIN AND SELF-LOCKING (27-OCT-1999) [S/S BY NASM51974]

MS51974B (NOTICE 2), MILITARY STANDARD: SETSCREW-HEXAGON SOCKET, CONE POINT, ALLOY STEEL, CADMIUM PLATED, UNF-3A, PLAIN AND SELF-LOCKING (27-OCT-1999) [S/S BY NASM51974]., MS51974B, dated 29 DECEMBER 1972, is hereby canceled and superseded by NASM51974. The Part Identification Number (PIN) for MS51974B and the part number for NASM51974 are identical. The part numbers have not been changed.