MS9810B (NOTICE 1), MILITARY STANDARD: BOLT, MACHINE - HEXAGON HEAD, PD SHANK, AMS 5643, .500-20 UNJF-3A (15 FEB 1991) [NO SUPERSEDING DOCUMENT].
MS9810B (NOTICE 1), MILITARY STANDARD: BOLT, MACHINE - HEXAGON HEAD, PD SHANK, AMS 5643, .500-20 UNJF-3A (15 FEB 1991) [NO SUPERSEDING DOCUMENT].