MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in a sealed insert. With an operating temperature range of -65 °C to 200 °C, they offer reliable performance in extreme conditions. Available in various mounting styles, including front and rear wall mount, jam nut, and box mount receptacles, these connectors meet stringent military specifications. The aluminum shells come with a choice of plating options, such as cadmium and nickel, ensuring durability and corrosion resistance. Ideal for applications requiring secure electrical connections, these connectors are RoHS compliant and offer gold-plated contacts for optimal conductivity.