The MIL-DTL-38999 Series I 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 shell sizes and insert arrangements, these connectors come with front and rear wall mount options, as well as jam nut receptacles. Utilizing M39029 rear release crimp contacts, they ensure secure connections. The high strength aluminum shells are offered in different plating options, including cadmium and nickel, catering to diverse needs. These connectors, compliant with military specification MIL-DTL-38999 I, are ideal for applications requiring rugged and durable connectivity solutions.