MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. These connectors are environmentally sealed, with an operating temperature range of -65 °C to 200 °C. Available in various mounting options such as front and rear wall mount, jam nut, and box mount, they offer versatility in installation. The connectors come in aluminum shells with plating options including cadmium and nickel, ensuring durability and protection against corrosion. With RoHS certified finishes available, they meet environmental compliance standards. Suitable for military and industrial applications, these connectors provide reliable performance in demanding conditions.