The MIL-DTL-38999 III (D38999) harsh environment connectors offer reliable connectivity in demanding applications. Available in various configurations including wall mount receptacles, jam nut receptacles, and straight self-locking RFI plugs, they are designed for versatility. With 9 shell sizes and 54 insert arrangements, these connectors accommodate a wide range of contact options, from power to twinax. They are constructed from durable materials such as aluminum, stainless steel, and lightweight composite, with plating options including olive drab cadmium and nickel. Meeting military specifications and featuring RoHS-compliant finishes, these connectors ensure high performance and compatibility in critical environments.