The MIL-DTL-38999 Series II connectors are designed for harsh environments, offering up to 128 contacts in an environmentally sealed insert. With an operating temperature ranging from -65 °C to 200 °C, these connectors provide reliable performance in extreme conditions. Featuring various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they are versatile for different applications. Available in aluminum shells with plating options including cadmium and nickel, they meet stringent military specifications for durability. Utilizing removable crimp contacts, these connectors ensure secure and efficient connections. Conductive and environment-resistant, they are suitable for demanding industrial and military settings.