MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert. These connectors are environmentally sealed and can operate in temperatures ranging from -65 °C to 200 °C. Available in various shell sizes and insert arrangements, they utilize M39029 rear release crimp contacts for reliable connections. With options for front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, they offer flexibility in installation. Constructed with high-strength aluminum shells and offering multiple plating options, including RoHS certified finishes, these connectors ensure durability and performance. Perfect for military and industrial applications, they guarantee secure connectivity in demanding conditions.