MIL-DTL-38999 Series II connectors offer high performance in harsh environments with up to 128 contacts housed in an insert. Designed for durability, they are environmentally sealed and can operate in temperatures ranging from -65 °C to 200 °C. Available in various configurations including front and rear wall mount, jam nut, and box mount receptacles, these connectors ensure secure connections in demanding applications. Featuring a range of plating options, including cadmium-free finishes, they meet stringent military specifications for reliability. With aluminum shells and gold-plated contacts, they provide excellent conductivity and mating integrity, making them ideal for aerospace, defense, and industrial systems.