MS9505A, MILITARY STANDARD: BOLT, MACHINED-HEXAGON HEAD, DRILLED, 1 HOLE, FULL SHANK, AMS 5731, .500-20 UNJF-3A (17 NOV 1969) [SUPERSEDED BY SAE-AS9505].
MS9505A, MILITARY STANDARD: BOLT, MACHINED-HEXAGON HEAD, DRILLED, 1 HOLE, FULL SHANK, AMS 5731, .500-20 UNJF-3A (17 NOV 1969) [SUPERSEDED BY SAE-AS9505].