MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range from -65 °C to 200 °C, these connectors offer reliable performance in extreme conditions. Available in various shell sizes and insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. Constructed with high strength aluminum shells and offering plating options including gold, electroless nickel, and RoHS certified finishes, these connectors ensure durability and conductivity. Suitable for military and industrial applications, the MIL-DTL-38999 Series I connectors meet stringent performance standards for reliable communication in challenging environments.