MS9558E (NOTICE 1), MILITARY STANDARD: BOLT, MACHINE-DOUBLE HEXAGON EXTENDED WASHER HEAD, CORROSION AND HEAT RESISTANT STEEL, .3125-24 UNJF-3A (15 OCT 1999) [SUPERSEDED BY SAE-AS9558].
MS9558E (NOTICE 1), MILITARY STANDARD: BOLT, MACHINE-DOUBLE HEXAGON EXTENDED WASHER HEAD, CORROSION AND HEAT RESISTANT STEEL, .3125-24 UNJF-3A (15 OCT 1999) [SUPERSEDED BY SAE-AS9558].