MS9557E (AMENDMENT 1), MILITARY STANDARD: BOLT, MACHINE-DOUBLE HEXAGON EXTENDED WASHER HEAD, CORROSION AND HEAT RESISTANT STEEL, .250-28 UNJF-3A (30 NOV 1995) [SUPERSEDED BY SAE-AS9557].
MS9557E (AMENDMENT 1), MILITARY STANDARD: BOLT, MACHINE-DOUBLE HEXAGON EXTENDED WASHER HEAD, CORROSION AND HEAT RESISTANT STEEL, .250-28 UNJF-3A (30 NOV 1995) [SUPERSEDED BY SAE-AS9557].