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 spanning from -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. Constructed with high-strength aluminum shells, they come in plating options including cadmium and nickel for corrosion resistance. These connectors, compliant with RoHS standards, are ideal for military and industrial applications requiring rugged and durable connectivity solutions.