MIL-DTL-38999 Series II connectors offer high-performance connectivity with up to 128 contacts housed in an environmentally sealed insert. Designed for harsh environments, these connectors feature various mounting options such as front and rear wall mount, jam nut, and box mount receptacles. Available in aluminum shells with multiple plating options including cadmium and nickel, they ensure reliable operation in temperatures ranging from -65 °C to 200 °C. Engineered to meet stringent military specifications, these connectors boast durable construction and are ideal for applications requiring secure and efficient electrical connections in demanding settings.