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 styles, including front and rear wall mount, jam nut, and box mount receptacles, these connectors are versatile for different applications. Constructed with aluminum shells and offering multiple plating options, such as electroless nickel and cadmium finishes, they provide durability and corrosion resistance. Featuring gold-plated removable crimp contacts, they ensure secure and efficient connectivity. Meeting MIL-DTL-38999 II military specifications, these connectors are suitable for demanding aerospace, defense, and industrial applications where ruggedness and reliability are essential.