MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts within an environmentally sealed insert. With an operating temperature range of -65 °C to 200 °C, these connectors offer reliability in extreme conditions. Available in various shell sizes and insert arrangements, including front and rear wall mount options, they utilize M39029 rear release crimp contacts for secure connections. The high strength aluminum shells come in a range of plating options, from cadmium to electroless nickel, catering to different application needs. Certified for military specifications, these connectors ensure durable performance in demanding settings.