MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts within an environmentally sealed insert. With an impressive operating temperature range of -65 °C to 200 °C, these connectors are suitable for a wide range of applications. Available in various shell sizes and insert arrangements, they utilize M39029 rear release crimp contacts for reliable connectivity. The high strength aluminum shells come with a choice of plating options, including cadmium-free finishes for RoHS compliance. Offering front wall mount, rear wall mount, and jam nut receptacles, these connectors ensure secure and durable connections in demanding situations.