MS9571A (NOTICE 1), MILITARY STANDARD: BOLT, MACHINE-DOUBLE HEXAGON EXTENDED WASHER HEAD, DRILLED, PD SHANK, AMS 5731, .5625-18 UNJF-3A (15 FEB 1991) [NO SUPERSEDING DOCUMENT].
MS9571A (NOTICE 1), MILITARY STANDARD: BOLT, MACHINE-DOUBLE HEXAGON EXTENDED WASHER HEAD, DRILLED, PD SHANK, AMS 5731, .5625-18 UNJF-3A (15 FEB 1991) [NO SUPERSEDING DOCUMENT].