The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With front wall mount, rear wall mount, jam nut, rear box mount, and front box mount receptacles, they offer versatile installation options. These connectors, made of aluminum, are sealed for environmental protection and can withstand temperatures ranging from -65 °C to 200 °C. Compliant with military specification MIL-DTL-38999 II, they ensure reliable performance in demanding applications. With various plating options available, including gold and electroless nickel, they provide optimal conductivity and corrosion resistance. Suitable for military, aerospace, and industrial use, these connectors are essential for ensuring secure and efficient electrical connections in critical systems.