The MIL-DTL-38999 III (D38999) harsh environment connectors offer rugged reliability for demanding applications. Available in wall mount receptacles, jam nut receptacles, and straight self-locking RFI plugs, they come in 9 shell sizes and 54 insert arrangements, accommodating M39029 contacts in various sizes. With options for aluminum, stainless steel, and lightweight composite shells, and plating choices including olive drab cadmium and nickel, these connectors meet diverse needs. RoHS-compliant and Boeing BACC-approved versions are also available, ensuring quality and compliance. Suitable for military and industrial use, these connectors provide secure and efficient electrical connections in challenging environments.