The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range of -65 °C to 200 °C, these connectors offer reliable performance in extreme conditions. Available in various mounting styles such as front and rear wall mount, jam nut, and box mount receptacles, they cater to diverse application needs. Utilizing M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12, these connectors ensure secure and efficient connections. Constructed with aluminum shells and offering plating options like electroless nickel, they guarantee durability and corrosion resistance. Ideal for military and industrial use, these connectors meet stringent MIL-DTL-38999 II specifications, providing a reliable solution for demanding environments.