D38999/20MC4PA

The MIL-DTL-38999 III (D38999) harsh environment connectors are designed for rugged applications, featuring wall mount receptacles, jam nut receptacles, and straight self-locking RFI plugs. Available in 9 shell sizes and 54 insert arrangements, they utilize M39029 contacts in various sizes, including 22D, 20, 16, 12, 10 power, and 8 twinax. Offering versatility, these connectors come in aluminum, stainless steel, and lightweight composite shells with plating options such as olive drab cadmium, nickel, black zinc nickel, and passivated stainless steel. With RoHS-compliant and cadmium-free finishes, as well as Boeing BACC-approved designs, they meet stringent industry standards. Suitable for military and industrial use, these connectors ensure reliable performance in extreme operating conditions, with a wide temperature range from -65°C to 200°C and a mating life of 500 cycles. Conductive and environment-resistant, they are ideal for demanding applications where durability and performance are paramount.