MIL-DTL-38999 Series I connectors are designed for rugged environments, featuring up to 128 contacts in an insert with environmental sealing. Operating between -65°C and 200°C, they offer reliability in extreme conditions. Available in various shell sizes and insert arrangements, these connectors come in high strength aluminum shells with plating options like cadmium and nickel. The straight plug design with bayonet coupling and gold-plated, removable crimp contacts ensures secure connections. Meeting military specifications, they are ideal for applications requiring durability and performance in harsh settings.