Key design features include a positive shell-to-shell coupling design, grounding fingers and Electroless Nickel plating to provide EMI shielding capability. Acme threads ensure coupling durability. Blunting of the thread on both the coupling nut and receptacle eliminates cross coupling. The connector quickly mates and self-locks with a 360( turn of the coupling nut. An anti-vibration mechanism prevents the connector from backing off, and the interfacial seal and rear grommet ensure complete environmental sealing to prevent any electrolytic erosion.