MS51957C (AMENDMENT 2), MILITARY STANDARD: SCREW, MACHINE, PAN HEAD, CROSS-RECESSED, CORROSION RESISTANT STEEL, UNC-2A (29 APR 1994)

MS51957C (AMENDMENT 2), MILITARY STANDARD: SCREW, MACHINE, PAN HEAD, CROSS-RECESSED, CORROSION RESISTANT STEEL, UNC-2A (29 APR 1994)., This amendment forms a part of MS51957C dated 18 July 1986 and is approved for use by all Department end Agencies of the Department of Defense.