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, they offer reliable performance in extreme conditions. Available in various mounting options including front and rear wall mount, as well as jam nut and box mount receptacles, these connectors are versatile. They come in aluminum shells with a choice of plating options such as electroless nickel and cadmium finishes. Utilizing M39029 rear release crimp contacts, these connectors ensure secure connections. RoHS certified options are also available. Perfect for military and industrial applications, these connectors are built to withstand rigorous use, making them ideal for demanding environments.