MS51958C (AMENDMENT 1), MILITARY STANDARD: SCREW, MACHINE PAN-HEAD, CROSS-RECESSED, CORROSION RESISTING STEEL, UNF-2A (05-OCT-1992) [S/S BY NASM51958]
MS51958C (AMENDMENT 1), MILITARY STANDARD: SCREW, MACHINE PAN-HEAD, CROSS-RECESSED, CORROSION RESISTING STEEL, UNF-2A (05-OCT-1992) [S/S BY NASM51958].