MS9719A, MILITARY STANDARD: BOLT, MACHINE-DOUBLE HEXAGON, EXTENDED WASHER HEAD, DRILLED, SILVER PLATED, CORROSION AND HEAT RESISTANT STEEL, .500-20 UNJF-3A (24 FEB 1986) [NO SUPERSEDING DOCUMENT].
MS9719A, MILITARY STANDARD: BOLT, MACHINE-DOUBLE HEXAGON, EXTENDED WASHER HEAD, DRILLED, SILVER PLATED, CORROSION AND HEAT RESISTANT STEEL, .500-20 UNJF-3A (24 FEB 1986) [NO SUPERSEDING DOCUMENT].