MIL-DTL-38999 Series II connectors boast exceptional durability with up to 128 contacts housed within a robust insert, ensuring reliable performance in harsh environments. Featuring a wide range of mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they offer versatility for various applications. These connectors, compliant with military specification MIL-DTL-38999 II, are constructed from aluminum shells and are available with RoHS-certified finishes, including electroless nickel and cadmium olive drab, catering to environmental regulations. With an operating temperature range spanning from -65°C to 200°C, they guarantee seamless functionality in extreme conditions. Each connector is meticulously engineered with M39029 rear release crimp contacts, offering secure connections in sizes 22D, 22M, 22, 20, 16, and 12. Ideal for demanding environments, these connectors provide superior conductivity and ingress protection, making them essential components for critical applications.