The MIL-DTL-38999 Series I connectors offer high performance in harsh environments, featuring up to 128 contacts within a sealed insert. With an operating temperature range of -65°C to 200°C, they ensure reliability in extreme conditions. Available in various shell sizes and insert arrangements, these connectors come in aluminum shells with options for plating such as cadmium and nickel. They meet military specification MIL-DTL-38999 I and are designed for box mounting with bayonet coupling. The removabl crimp contacts are gold plated for optimal conductivity, with a mating life of 500 cycles. RoHS compliant finishes are also available, making them suitable for diverse applications requiring rugged and reliable connectivity.