MS9727C (NOTICE 2), MILITARY STANDARD: BOLT, MACHINE-DOUBLE HEXAGON, EXTENDED WASHER HEAD, CLOSE TOLERANCE SHANK, CORROSION AND HEAT RESISTANT STEEL, .4375-20 UNJF-3A (24 AUG 1994).
MS9727C (NOTICE 2), MILITARY STANDARD: BOLT, MACHINE-DOUBLE HEXAGON, EXTENDED WASHER HEAD, CLOSE TOLERANCE SHANK, CORROSION AND HEAT RESISTANT STEEL, .4375-20 UNJF-3A (24 AUG 1994).