MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With a wide operating temperature range of -65 °C to 200 °C, they offer reliable performance in extreme conditions. Available in various configurations such as front wall mount, rear wall mount, and jam nut receptacles, these connectors meet military specifications for durability. Utilizing M39029 rear release crimp contacts, they ensure secure connections in sizes 22D, 22M, 22, 20, 16, and 8. Constructed with high-strength aluminum shells and offering multiple plating options including cadmium and nickel, these connectors provide excellent conductivity and protection against environmental factors. RoHS compliant finishes are also available, making them suitable for a wide range of applications in demanding environments.