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, they offer reliable performance in extreme conditions. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, these connectors ensure versatile installation. Compliant with military specification MIL-DTL-38999 II, they guarantee high durability and performance. Constructed with aluminum shells and offering a range of plating options, including cadmium-free finishes, these connectors provide excellent corrosion resistance. With RoHS compliance, they meet environmental standards while offering reliable connectivity for demanding applications.