The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range from -65°C to 200°C, these connectors offer reliable performance in extreme conditions. Available in various mounting styles such as front and rear wall mount, jam nut, and box mount receptacles, they provide flexibility for different applications. The plugs come in straight, RFI grounding, and standard options with a 90-degree cable clamp. Constructed with aluminum shells and offering multiple plating options including electroless nickel and cadmium finishes, these connectors ensure durability and corrosion resistance. Compliant with military specifications, they are ideal for demanding industrial and aerospace applications.