MIL-DTL-38999 Series II connectors are designed for robust performance in harsh environments, featuring up to 128 contacts within an environmentally sealed insert. With an operating temperature range spanning from -65 °C to 200 °C, these connectors offer reliable connectivity in extreme conditions. Available in various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they cater to diverse application needs. Incorporating M39029 rear release crimp contacts, these connectors ensure secure and efficient electrical connections. Crafted from durable aluminum shells with plating options including cadmium and nickel, they guarantee longevity and corrosion resistance. Compliant with military specification MIL-DTL-38999 II, these connectors are ideal for demanding military and aerospace applications.