The MIL-DTL-38999 Series I connectors offer reliable connectivity in harsh environments, featuring up to 128 contacts in a sealed insert. With an operating temperature range of -65 °C to 200 °C, these connectors are built for durability. Available in various shell sizes and insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. The connectors come in high-strength aluminum shells with options for plating, including RoHS-certified finishes. Designed for military specifications, they are ideal for applications requiring rugged performance and environmental resistance.