MIL-DTL-38999 III (D38999) harsh environment connectors feature wall mount receptacles, jam nut receptacles, and straight self-locking RFI plugs, offering versatility in connectivity solutions. With 9 shell sizes and 54 insert arrangements available, these connectors accommodate various contact configurations, including sizes 22D, 20, 16, 12, 10 power, and 8 twinax. Constructed with durable materials such as stainless steel, aluminum, and lightweight composite, they ensure reliability in demanding conditions. The gold-plated removable crimp contacts in this Series III connector guarantee excellent conductivity, with a service rating of I and a wide operating temperature range from -65°C to 200°C. Designed for military and aerospace applications, these connectors meet stringent MIL-DTL-38999 specifications, making them ideal for use in critical environments.