The MIL-DTL-38999 III (D38999) harsh environment connectors offer reliable performance in demanding settings. This range includes wall mount receptacles, jam nut receptacles, and straight self-locking RFI plugs, available in 9 shell sizes and 54 insert arrangements with M39029 contacts. With options in aluminum, stainless steel, and lightweight composite materials, these connectors cater to diverse needs. Various plating choices, from olive drab cadmium to passivated stainless steel, ensure compliance with different specifications. RoHS-compliant and cadmium-free finishes are also available. Designed for military and aerospace applications, these connectors meet rigorous standards for durability and performance.