MIL-DTL-38999 III (D38999) harsh environment connectors are designed for rugged applications, featuring wall mount receptacles, jam nut receptacles, and straight self-locking RFI plugs. With 9 shell sizes and 54 insert arrangements available, these connectors offer versatility in deployment. Utilizing M39029 contacts in various sizes, including 22D, 20, 16, 12, 10 power, and 8 twinax, they ensure reliable electrical connections. Constructed from durable materials such as aluminum, stainless steel, and lightweight composite, with a range of plating options including olive drab cadmium and passivated stainless steel, they provide excellent resistance to corrosion. Meeting MIL-DTL-38999 III military specifications, these connectors are suitable for demanding environments, with a service rating of I and a temperature range from -65 °C to 200 °C. The D38999/20FD18PA model, featuring a wall mounting flange receptacle with 18 removable crimp contacts, is particularly well-suited for high-reliability applications with its gold contact plating and electroless nickel finish on an aluminum shell.
