The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in a sealed insert. With an operating temperature range of -65 °C to 200 °C, they offer reliable performance in extreme conditions. Available in various mounting styles, including front and rear wall mount, jam nut, and box mount receptacles, these connectors ensure versatility in application. Constructed with aluminum shells and offering a range of plating options, such as gold and electroless nickel, they guarantee durability and corrosion resistance. Compliant with military specification MIL-DTL-38999 II, these circular connectors are ideal for demanding industrial and military applications.