Experience the rugged reliability of MIL-DTL-38999 III (D38999) harsh environment connectors, essential for demanding applications. This series features wall mount receptacles, jam nut receptacles, and straight self-locking RFI plugs, available in 9 shell sizes and 54 insert arrangements. Utilizing M39029 contacts in various sizes, including power and twinax options, these connectors ensure secure and efficient connections. Crafted from durable materials such as aluminum, stainless steel, and lightweight composite, with a range of plating options including RoHS-compliant finishes, they meet stringent quality standards. Ideal for military and aerospace use, these connectors guarantee high performance in extreme conditions.