The MIL-DTL-38999 Series I connectors offer high-performance connectivity with up to 128 contacts in an environmentally sealed insert. Built for harsh environments, they ensure reliable operation in extreme conditions, with a wide temperature range from -65 °C to 200 °C. Featuring front and rear wall mount options, as well as jam nut receptacles, this connector family is versatile and robust. Utilizing M39029 rear release crimp contacts, they guarantee secure connections in sizes 22D, 22M, 22, 20, 16, and 8, including coax and twinax. With a selection of plating options such as cadmium and nickel, these connectors meet diverse application needs. The high strength aluminum shells provide durability, while RoHS certified finishes offer environmental compliance. Ideal for military and industrial use, the MIL-DTL-38999 Series I connectors are the perfect choice for demanding connectivity solutions.