MS9564A, MILITARY STANDARD:SCREW, MACHINE - DOUBLE HEXAGON EXTENDED WASHER HEAD, DRILLED, AMS 5731, .164-36 UNJF-3A (17 NOV 1969) [SUPERSEDED BY SAE-AS9564].
MS9564A, MILITARY STANDARD:SCREW, MACHINE - DOUBLE HEXAGON EXTENDED WASHER HEAD, DRILLED, AMS 5731, .164-36 UNJF-3A (17 NOV 1969) [SUPERSEDED BY SAE-AS9564].