MS9731 (NOTICE 1), MILITARY STANDARD: SCREW, MACHINE - DOUBLE HEXAGON EXTENDED WASHER HEAD, PD SHANK, CRES AMS 5643, 0.164-36 UNJF-3A (15 FEB 1991) [NO SUPERSEDING DOCUMENT].
MS9731 (NOTICE 1), MILITARY STANDARD: SCREW, MACHINE - DOUBLE HEXAGON EXTENDED WASHER HEAD, PD SHANK, CRES AMS 5643, 0.164-36 UNJF-3A (15 FEB 1991) [NO SUPERSEDING DOCUMENT].