The MIL-DTL-38999 Series II connectors offer high-performance connectivity with up to 128 contacts in an insert. Designed for harsh environments, these connectors are environmentally sealed and can operate in temperatures ranging from -65 °C to 200 °C. Available in various mounting styles, including front and rear wall mount, jam nut, and box mount receptacles, they provide versatility for different applications. Featuring M39029 rear release crimp contacts, these connectors ensure reliable connections in sizes 22D, 22M, 22, 20, 16, and 12. Constructed with aluminum shells and offering multiple plating options, such as cadmium and nickel, they meet stringent military specifications. With RoHS-certified finishes available, these connectors are ideal for demanding environments where durability and performance are essential.