MIL-DTL-38999 III (D38999) harsh environment connectors, designated as SKU D38999/24ZF18AC, offer exceptional durability and performance in demanding applications. This series features wall mount receptacles, jam nut receptacles, and straight self-locking RFI plugs, providing versatility for various connectivity needs. With 9 shell sizes and 54 insert arrangements available, these connectors accommodate a wide range of configurations. Constructed with high-quality materials such as aluminum, stainless steel, and lightweight composite, they ensure reliability in extreme conditions. The included M39029 contacts, in sizes 22D, 20, 16, 12, 10 power, and 8 twinax, guarantee secure and efficient signal transmission. Available in a selection of plating options, including olive drab cadmium, nickel, and black zinc nickel, these connectors offer enhanced corrosion resistance. Suitable for military and aerospace applications, the MIL-DTL-38999 III connectors are RoHS-compliant and Boeing BACC-approved, making them ideal for use in mission-critical systems. With a wide operating temperature range of -65°C to 175°C, they provide dependable performance in harsh environments.