The MIL-DTL-38999 Series II connectors offer high-performance connectivity with up to 128 contacts in an insert, suitable for harsh environments. Featuring a wide operating temperature range of -65 °C to 200 °C, these connectors are environmentally sealed for reliability. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they meet stringent military specifications for durability. With aluminum shells and a selection of plating options such as gold and electroless nickel, these connectors ensure optimal conductivity and protection against environmental factors. Perfect for applications requiring secure and reliable electrical connections in demanding settings.