MIL-DTL-38999 Series I connectors are designed for rugged environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range of -65 °C to 200 °C, these connectors offer reliable performance in extreme conditions. Available in various shell sizes and insert arrangements, they accommodate M39029 rear release crimp contacts for secure connections. The high strength aluminum shells come in different plating options, including cadmium-free finishes for RoHS compliance. Whether you need front or rear wall mount receptacles, or jam nut receptacles with RFI grounding plugs, these connectors ensure durability and conductivity. Perfect for military and aerospace applications, they meet MIL-DTL-38999 I specifications for quality and reliability.