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 range of -65 °C to 200 °C, these connectors are suitable for a wide range of applications. Available in various mounting options such as front wall, rear wall, jam nut, and box mount receptacles, they feature bayonet coupling for secure connections. Constructed with aluminum shells and offering multiple plating options including electroless nickel and cadmium finishes, these connectors ensure reliable performance in demanding conditions. Compliant with MIL-DTL-38999 II military specifications, they are ideal for use in military and aerospace applications where durability and ruggedness are essential.