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 styles including front wall mount, rear wall mount, and jam nut receptacles, they accommodate diverse connectivity needs. The connectors utilize M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 8, ensuring secure connections. Constructed with high strength aluminum shells and offering plating options such as cadmium and nickel, they provide durability and corrosion resistance. This connector family, compliant with MIL-DTL-38999 I military specifications, is ideal for applications requiring rugged, high-performance connectivity solutions.