MS9803, MILITARY STANDARD: SCREW, MACHINE-HEXAGON HEAD, PD SHANK, AMS 5643, 0.138-40 UNJF-3A (31 OCT 1984) [NO SUPERSEDING DOCUMENT].
MS9803, MILITARY STANDARD: SCREW, MACHINE-HEXAGON HEAD, PD SHANK, AMS 5643, 0.138-40 UNJF-3A (31 OCT 1984) [NO SUPERSEDING DOCUMENT].