The MIL-DTL-38999 Series II connectors, designed for harsh environments, feature up to 128 contacts in an insert and are environmentally sealed for reliable performance. With an operating temperature range of -65 °C to 200 °C, these connectors are suitable for a wide range of applications. Available in various configurations, including front and rear wall mount, jam nut, and box mount receptacles, they offer flexibility in installation. Utilizing M39029 rear release crimp contacts, they ensure secure connections in sizes 22D, 22M, 22, 20, 16, and 12. Constructed with aluminum shells and offering multiple plating options, such as gold, electroless nickel, and cadmium-free finishes, these connectors guarantee durability and corrosion resistance. The MIL-DTL-38999 Series II connectors, meeting rigorous military specifications, are ideal for demanding environments where reliability is paramount.