The MIL-DTL-38999 Series II connectors are designed for demanding environments, offering up to 128 contacts in an insert. With a wide operating temperature range from -65 °C to 200 °C, these connectors are suitable for harsh conditions. Available in various configurations including front and rear wall mount, jam nut, and box mount receptacles, they provide versatility in installation. Featuring aluminum shells with options for plating such as gold, electroless nickel, and cadmium-free finishes, these connectors ensure reliable performance. Utilizing M39029 rear release crimp contacts, they offer secure connections in sizes 22D, 22M, 22, 20, 16, and 12. Meeting MIL-DTL-38999 II specifications, these connectors are essential for military and aerospace applications requiring rugged and durable connectivity solutions.