MS51896A, MILITARY STANDARD, SCREW, EXTERNALLY RELIEVED BODY, PANHEAD, CROSS-RECESSED, CORROSION-RESISTING STEEL, UNC-2A (21 JUL 1983) [S/S BY NASM51896]
MS51896A, MILITARY STANDARD, SCREW, EXTERNALLY RELIEVED BODY, PANHEAD, CROSS-RECESSED, CORROSION-RESISTING STEEL, UNC-2A (21 JUL 1983) [S/S BY NASM51896].