The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With environmental sealing and a wide operating temperature range of -65 °C to 200 °C, they offer reliable performance in demanding conditions. Available in various mounting styles, including front and rear wall mount, jam nut, and box mount receptacles, these connectors provide flexibility for different applications. Constructed with aluminum shells and offering multiple plating options, such as cadmium and nickel, they ensure durability and corrosion resistance. Compliant with MIL-DTL-38999 II military specifications, these connectors are ideal for aerospace, defense, and industrial applications requiring rugged and high-performance connectivity.