MIL-DTL-38999 Series I connectors are designed for rugged environments, featuring up to 128 contacts in a sealed insert. With a wide operating temperature range of -65 °C to 200 °C, these connectors offer reliability in harsh conditions. Available in various shell sizes and insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. The high strength aluminum shells come with plating options like cadmium and nickel, ensuring durability. Meeting military specifications, these connectors are ideal for applications requiring high performance in demanding settings.