MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert for robust connectivity. With an operating temperature range of -65 °C to 200 °C, they are suitable for a wide range of applications. Available in various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, these connectors offer versatility. Constructed with aluminum shells and offering multiple plating options including cadmium and nickel, they ensure durability and reliability. Utilizing M39029 rear release crimp contacts, they provide secure connections in sizes 22D, 22M, 22, 20, 16, and 12. Suitable for military and industrial use, these connectors meet MIL-DTL-38999 II specifications, making them ideal for demanding environments.