The 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 mount types including front and rear wall mount, jam nut, and box mount receptacles, they offer versatility in installation. With options for straight, RFI grounding, and standard plugs, along with a variety of plating finishes such as gold, electroless nickel, and cadmium, these connectors ensure reliable performance. Meeting military specification MIL-DTL-38999 II, they are suitable for demanding applications where durability and connectivity are crucial.