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, these connectors offer reliable performance 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, meeting stringent military specifications. Perfect for applications requiring durability and ruggedness, these connectors are ideal for aerospace, defense, and industrial use.