MIL-DTL-38999 Series II connectors are designed for rugged environments, featuring up to 128 contacts sealed for protection. With an impressive operating temperature range of -65 °C to 200 °C, these connectors offer reliability in extreme conditions. Available in various mounting styles such as front and rear wall mount, jam nut, and box mount receptacles, they cater to diverse installation needs. The connectors come in aluminum shells with plating options including cadmium and nickel for corrosion resistance. Utilizing M39029 rear release crimp contacts, they ensure secure connections. Suitable for military and industrial applications, these connectors are built to withstand harsh operating environments.