The MIL-DTL-38999 III (D38999) harsh environment connectors feature wall mount receptacles, jam nut receptacles, and straight self-locking RFI plugs in 9 shell sizes and 54 insert arrangements. With M39029 contacts in various sizes, including 22D, 20, 16, 12, 10 power, and 8 twinax, these connectors ensure secure connections in rugged conditions. Available in aluminum, stainless steel, and lightweight composite shells with plating options like olive drab cadmium, nickel, and black zinc nickel, they offer durability and reliability. RoHS-compliant finishes are also available. Suitable for military and aerospace applications, these connectors guarantee performance in extreme temperatures. Please note that this assembly does not ship with contacts.