The MIL-DTL-38999 Series I connectors are designed for rugged environments, featuring up to 128 contacts sealed for protection. With an impressive 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 come in aluminum shells with plating options including cadmium and nickel. The connectors, compliant with RoHS regulations, are ideal for military and aerospace applications requiring durability and high performance.