The MIL-DTL-38999 Series II connectors boast superior performance in harsh environments, featuring up to 128 contacts within an environmentally sealed insert. With a wide operating temperature range of -65 °C to 200 °C, these connectors ensure reliability in extreme conditions. Available in various mounting styles such as front and rear wall mount, jam nut, and box mount receptacles, they offer versatility for different applications. The connectors, crafted from aluminum, come with multiple plating options including cadmium-free finishes, ensuring durability and compliance with RoHS standards. With gold-plated removable crimp contacts, these connectors guarantee optimal conductivity and mating reliability, making them ideal for military and aerospace applications.