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 from -65 °C to 200 °C, these connectors offer reliable performance in extreme conditions. Available in various shell sizes and insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. The high strength aluminum shells come in plating options such as cadmium and nickel, with RoHS certified finishes for environmental compliance. Perfect for military and aerospace applications, these connectors ensure durability and conductivity in demanding settings.