MS9579C (NOTICE 2), MILITARY STANDARD: BOLT, MACHINE - DOUBLE HEXAGON EXTENDED WASHER HEAD, DRILLED, PD SHANK, AMS 5731, SILVER PLATED, .500-20 UNJF-3A (31 AUG 2000) [SUPERSEDED BY SAE-AS9579].
MS9579C (NOTICE 2), MILITARY STANDARD: BOLT, MACHINE - DOUBLE HEXAGON EXTENDED WASHER HEAD, DRILLED, PD SHANK, AMS 5731, SILVER PLATED, .500-20 UNJF-3A (31 AUG 2000) [SUPERSEDED BY SAE-AS9579].