The MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. 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 high strength aluminum shells with options for different plating finishes. They are ideal for military and aerospace applications, with RoHS certified cadmium-free options for environmentally conscious projects. The bayonet coupling and straight plug design make them easy to install and use, catering to the needs of demanding industries.