MIL-DTL-38999 Series I connectors offer exceptional performance in harsh environments with up to 128 contacts housed in a durable insert. These connectors are meticulously designed for reliability, featuring a wide operating temperature range from -65 °C to 200 °C. Available in various shell sizes and insert arrangements, they accommodate M39029 rear release crimp contacts. The high-strength aluminum shells come with a choice of plating options, including electroless nickel and cadmium finishes. With front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, they provide versatile connectivity solutions. Meeting stringent military specifications, these connectors ensure secure and efficient electrical connections in demanding applications.