MIL-DTL-38999 Series II connectors feature up to 128 contacts housed in an environmentally sealed insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, as well as straight and 90-degree cable clamp plugs, they offer versatility in connectivity. With 52 insert arrangements utilizing M39029 rear release crimp contacts, these connectors ensure reliable performance. Constructed with aluminum shells and offering plating options including gold, electroless nickel, and cadmium finishes, they meet rigorous military specifications. Suitable for applications requiring high durability, the MIL-DTL-38999 Series II connectors provide secure and efficient electrical connections in demanding environments.