MIL-DTL-38999 Series II connectors are designed for harsh environments, with up to 128 contacts in an insert for versatile connectivity. These connectors are environmentally sealed, ensuring reliable performance in extreme conditions with an operating temperature range of -65 °C to 200 °C. Featuring various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they offer flexibility in installation. Available in aluminum shells with multiple plating options, such as gold, electroless nickel, and cadmium-free finishes, they guarantee durability and corrosion resistance. With M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12, these connectors provide secure and efficient connections. Compliant with MIL-DTL-38999 II specifications, they are ideal for military and aerospace applications requiring rugged and high-performance connectivity solutions.