MIL-DTL-38999 Series II connectors feature up to 128 contacts housed in an environmentally sealed insert, designed for rugged applications. With a wide operating temperature range from -65°C to 200°C, these connectors offer reliable performance in harsh environments. Available in various mount types including front and rear wall mount, jam nut, and box mount receptacles, they meet diverse connectivity needs. The aluminum shells come in different plating options such as cadmium and nickel, ensuring durability and corrosion resistance. With RoHS certified finishes, these connectors are compliant with environmental standards, making them ideal for military and industrial use.