MS9890 (NOTICE 1), MILITARY STANDARD: BOLT, MACHINE - DOUBLE HEXAGON EXTENDED WASHER HEAD, AMS 5616, .500-20 UNJF-3A (10 JUN 1974) [SUPERSEDED BY SAE-AS9890].
MS9890 (NOTICE 1), MILITARY STANDARD: BOLT, MACHINE - DOUBLE HEXAGON EXTENDED WASHER HEAD, AMS 5616, .500-20 UNJF-3A (10 JUN 1974) [SUPERSEDED BY SAE-AS9890].