MS9299A, MILITARY STANDARD: BOLT, MACHINE STEEL AMS 6322, BLACK OXIDE, DRILLED, 1 HOLE, HEXAGON HEAD, .500-20 UNJF-3A (26-OCT-1972)
MS9299A, MILITARY STANDARD: BOLT, MACHINE STEEL AMS 6322, BLACK OXIDE, DRILLED, 1 HOLE, HEXAGON HEAD, .500-20 UNJF-3A (26-OCT-1972).