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 reliable performance in extreme conditions. Available in various mount types including front and rear wall mount, jam nut, and box mount receptacles, they cater to diverse installation needs. The connectors, made from aluminum shells, come with a range of plating options such as cadmium and nickel, ensuring durability and corrosion resistance. Utilizing M39029 rear release crimp contacts, they guarantee secure electrical connections. Perfect for military and industrial applications, these connectors meet stringent MIL-DTL-38999 II specifications, offering exceptional performance and longevity.