The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert and offering reliable performance in extreme conditions. With a wide operating temperature range from -65°C to 200°C, these connectors are ideal for military and aerospace applications. Available in various mount types such as front wall, rear wall, and jam nut receptacles, they provide flexibility in installation. Compliant with military specification MIL-DTL-38999, these connectors ensure high-quality and durability. Crafted with aluminum shells and offering multiple plating options, including cadmium and nickel, they guarantee secure connections and resistance to corrosion. Suitable for use in back panel box mounting applications, these connectors are essential for maintaining connectivity in critical systems.