MS9725C (NOTICE 1), MILITARY STANDARD: BOLT, MACHINE-DOUBLE HEXAGON, EXTENDED WASHER HEAD, CLOSE TOLERANCE SHANK, CORROSION AND HEAT RESISTANT STEEL, .3125-24 UNJF-3A (21 OCT 1991).
MS9725C (NOTICE 1), MILITARY STANDARD: BOLT, MACHINE-DOUBLE HEXAGON, EXTENDED WASHER HEAD, CLOSE TOLERANCE SHANK, CORROSION AND HEAT RESISTANT STEEL, .3125-24 UNJF-3A (21 OCT 1991).