MS9554D (AMENDMENT 1), MILITARY STANDARD: SCREW, MACHINE-DOUBLE HEXAGON EXTENDED WASHER HEAD, CORROSION AND HEAT RESISTANT STEEL, .138-40 UNJF-3A (01 DEC 1995) [SUPERSEDED BY SAE-AS9554]
MS9554D (AMENDMENT 1), MILITARY STANDARD: SCREW, MACHINE-DOUBLE HEXAGON EXTENDED WASHER HEAD, CORROSION AND HEAT RESISTANT STEEL, .138-40 UNJF-3A (01 DEC 1995) [SUPERSEDED BY SAE-AS9554].