The MIL-DTL-38999 III (D38999) harsh environment connectors offer rugged performance for demanding applications. This series includes wall mount receptacles, jam nut receptacles, and straight self-locking RFI plugs, available in various shell sizes and insert arrangements. Utilizing M39029 contacts in different sizes, including power and twinax options, these connectors are versatile. With a range of shell materials such as aluminum, stainless steel, and lightweight composite, and plating options like olive drab cadmium and nickel, they cater to diverse needs. RoHS-compliant and Boeing BACC-approved designs ensure quality and compliance. Suitable for military, aerospace, and industrial use, these connectors guarantee reliable connectivity in extreme conditions.