MIL-DTL-38999/24 (D38999) Series III connectors are designed for harsh environments, featuring wall mount and jam nut receptacles, along with self-locking RFI plugs. With 9 shell sizes and 54 insert arrangements available, these connectors offer versatility for various applications. Constructed with M39029 contacts in sizes 22D, 20, 16, 12, 10 power, and 8 twinax, they ensure reliable electrical connections. The connectors are crafted from durable materials such as aluminum, stainless steel, and lightweight composite, with multiple plating options including olive drab cadmium and nickel. Boasting RoHS compliance and Boeing BACC approval, the D38999 Series III connectors guarantee high performance and reliability in demanding military and aerospace environments.