The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range from -65 °C to 200 °C, these connectors offer reliable performance in extreme conditions. Available in various mounting options including wall mount, jam nut, and box mount receptacles, they provide versatility for different applications. Constructed with aluminum shells and offering multiple plating options such as gold and electroless nickel, these connectors ensure durability and conductivity. Compliant with military specification MIL-DTL-38999 II, they are suitable for demanding military and aerospace applications.