MS51023C (NOTICE 1), MILITARY STANDARD: SETSCREW-HEXAGON SOCKET, CUP POINT, CORROSION-RESISTING STEEL, PASSIVATED, UNF-3A, PLAIN AND SELF-LOCKING (22 SEP 1999) [S/S BY NASM51023]

MS51023C (NOTICE 1), MILITARY STANDARD: SETSCREW-HEXAGON SOCKET, CUP POINT, CORROSION-RESISTING STEEL, PASSIVATED, UNF-3A, PLAIN AND SELF-LOCKING (22 SEP 1999) [S/S BY NASM51023]., MS51023C, dated 29 DECEMBER 1972, is hereby canceled and superseded by NASM51023. The Part Identification Number (PIN) for MS51023C and the part number for NASM51023 are identical. The part numbers have not been changed.