MS24672A (NOTICE), MILITARY STANDARD: SCREW, CAP, SOCKET HEAD, FLAT COUNTERSUNK, CORROSION RESISTING STEEL, UNF-3A (27 MAR 1961)
MS24672A (NOTICE), MILITARY STANDARD: SCREW, CAP, SOCKET HEAD, FLAT COUNTERSUNK, CORROSION RESISTING STEEL, UNF-3A (27 MAR 1961).