MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts with front and rear mounting options. These environmentally sealed connectors have a wide operating temperature range from -65°C to 200°C, making them ideal for demanding applications. With various plating options including gold, electroless nickel, and cadmium finishes, they offer reliable conductivity and corrosion resistance. Available in aluminum shells, these connectors meet military specifications for durability and performance. The crimp type receptacles with bayonet coupling ensure secure connections, while the removable contacts allow for easy maintenance. Suitable for box mounting applications, these connectors are essential for reliable electrical connections in challenging environments.