MS9554D (NOTICE 1), MILITARY STANDARD: SCREW, MACHINE-DOUBLE HEXAGON EXTENDED WASHER HEAD, CORROSION AND HEAT RESISTANT STEEL, .138-40 UNJF-3A (31 AUG 2000) [SUPERSEDED BY SAE-AS9554]

MS9554D (NOTICE 1), MILITARY STANDARD: SCREW, MACHINE-DOUBLE HEXAGON EXTENDED WASHER HEAD, CORROSION AND HEAT RESISTANT STEEL, .138-40 UNJF-3A (31 AUG 2000) [SUPERSEDED BY SAE-AS9554].