MIL-DTL-38999 Series II connectors feature up to 128 contacts in an insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various configurations including front and rear wall mount, jam nut, and box mount receptacles, as well as straight and RFI grounding plugs with multiple cable clamp options. These connectors utilize M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12, offering versatility in connectivity. Crafted with aluminum shells and a choice of plating options such as electroless nickel, they ensure durability and reliability. Compliant with MIL-DTL-38999 II military specifications, these connectors provide secure electrical connections in demanding applications.