MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts within an environmentally sealed insert. With an operating temperature range of -65°C to 200°C, these connectors offer durability in extreme 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 such as cadmium and nickel, ensuring reliable performance. These connectors, compliant with military specification MIL-DTL-38999 I, are suitable for demanding applications requiring rugged and reliable electrical connections.