The MIL-DTL-38999 III (D38999) harsh environment connectors offer reliable connectivity in demanding conditions. This series includes wall mount receptacles, jam nut receptacles, and straight self-locking RFI plugs, available in various shell sizes and insert arrangements. With M39029 contacts ranging from size 22D to 8 twinax, these connectors accommodate diverse applications. Constructed from aluminum, stainless steel, or lightweight composite, they feature a range of plating options such as olive drab cadmium, nickel, and black zinc nickel. Select models are RoHS-compliant and cadmium-free, meeting stringent industry standards. Suitable for military and aerospace use, these connectors ensure secure and durable electrical connections.