The MIL-DTL-38999 III (D38999) harsh environment connectors offer reliable connectivity in demanding applications. Available in various shell sizes and insert arrangements, they feature M39029 contacts for secure connections. With options for aluminum, stainless steel, or lightweight composite shells and a range of plating choices including cadmium-free finishes, these connectors meet diverse needs. Designed for military and aerospace use, they ensure durability and performance in extreme conditions. Suitable for wall mount receptacles, jam nut receptacles, and straight self-locking RFI plugs, the 38999 Series 3 connectors guarantee robust connectivity in critical environments.