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 include M39029 rear release crimp contacts. The high-strength aluminum shells come with plating options such as cadmium and nickel, ensuring durability. Meeting military specifications, they are ideal for applications requiring rugged and secure electrical connections.