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 durability in extreme conditions. Available in various mounting styles, including front and rear wall mount, jam nut, and box mount receptacles, they provide flexibility in installation. The connectors come in aluminum shells with plating options such as cadmium and nickel, ensuring reliable performance. Utilizing M39029 rear release crimp contacts, they offer secure connections. Perfect for military and industrial applications, these connectors meet stringent MIL-DTL-38999 II specifications.