MIL-DTL-38999 III (D38999) harsh environment connectors offer rugged reliability for demanding applications. Available in various shell sizes and insert arrangements, they feature M39029 contacts in sizes 22D, 20, 16, 12, 10 power, and 8 twinax, ensuring versatile connectivity. With options like aluminum, stainless steel, and lightweight composite shells, as well as plating choices such as olive drab cadmium and nickel, these connectors cater to diverse needs. RoHS-compliant and Boeing BACC-approved variants are also available, guaranteeing quality and compliance. Ideal for military and aerospace use, these Series 3 connectors provide secure, high-performance solutions in challenging environments.