The MIL-DTL-38999 Series I connectors are designed for rugged environments, featuring up to 128 contacts and environmentally sealed construction. With an operating temperature range of -65 °C to 200 °C, they offer reliable performance in extreme conditions. Available in various shell sizes and insert arrangements, these connectors come in aluminum shells with options for plating, including cadmium-free finishes. The connectors meet stringent military specifications and are ideal for applications requiring durability and high performance.