MS9587B, MILITARY STANDARD: BOLT, MACHINE-HEXAGON HEAD, DRILLED, 6 HOLES, FULL SHANK, .4375-20 UNJF-3A (30 SEP 1987) [SUPERSEDED BY SAE-AS9587].
MS9587B, MILITARY STANDARD: BOLT, MACHINE-HEXAGON HEAD, DRILLED, 6 HOLES, FULL SHANK, .4375-20 UNJF-3A (30 SEP 1987) [SUPERSEDED BY SAE-AS9587].