MS9491A (NOTICE 2), MILITARY STANDARD: BOLT, MACHINE - HEXAGON HEAD, FULL SHANK, AMS 5731, .3125-24 UNJF-3A (15 OCT 1999) [SUPERSEDED BY SAE-AS9491].
MS9491A (NOTICE 2), MILITARY STANDARD: BOLT, MACHINE - HEXAGON HEAD, FULL SHANK, AMS 5731, .3125-24 UNJF-3A (15 OCT 1999) [SUPERSEDED BY SAE-AS9491].