MIL-S-21472C, MILITARY SPECIFICATION: SCREW, SHOULDER, HEXAGON SOCKET-HEAD AND SLOTTED-HEAD GENERAL SPECIFICATION FOR (31-OCT-1988) [S/S BY NASM21472]

MIL-S-21472C, MILITARY SPECIFICATION: SCREW, SHOULDER, HEXAGON SOCKET-HEAD AND SLOTTED-HEAD GENERAL SPECIFICATION FOR (31-OCT-1988) [S/S BY NASM21472]., This specification covers hexagaon slotted-head shoulder screws and socket-head shoulder screws.