MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert with environmental sealing. Operating in temperatures ranging from -65 °C to 200 °C, these connectors are reliable in extreme conditions. Available in various shell sizes and insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. With options for front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, they offer versatility in installation. Constructed with high strength aluminum shells and plating options including cadmium and nickel finishes, these connectors ensure durability and performance. RoHS certified finishes are also available for environmental compliance. Perfect for military and industrial applications, MIL-DTL-38999 Series I connectors meet stringent standards for quality and reliability.