MIL-DTL-38999 Series II connectors are engineered for rugged environments, housing up to 128 contacts within a robust insert. These connectors are fully sealed for reliable performance, with a wide operating temperature range from -65 °C to 200 °C. Available in various mounting styles including front and rear wall mount, jam nut, and box mount receptacles, they offer versatile connectivity options. Featuring aluminum shells with plating choices such as electroless nickel and cadmium finishes, they ensure durability and corrosion resistance. Compliant with military specifications, these connectors are ideal for demanding applications where secure and efficient electrical connections are essential.