The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range of -65 °C to 200 °C, these connectors offer reliability in extreme conditions. Available in various mounting styles, including wall mount, jam nut, and box mount receptacles, they provide flexibility for different applications. Made with aluminum shells and offering multiple plating options, such as gold and electroless nickel, these connectors ensure durability and corrosion resistance. Utilizing M39029 rear release crimp contacts, they guarantee secure connections. With RoHS compliant finishes available, these connectors meet environmental standards, making them ideal for military and industrial use.