MIL-DTL-38999 Series I connectors are designed for rugged environments, featuring a maximum of 128 contacts within an insert for versatile connectivity. With front, rear wall mount, and jam nut receptacles, these connectors offer flexibility in installation. Operating between -65 °C and 200 °C, they ensure reliable performance in extreme conditions. Utilizing M39029 rear release crimp contacts, they come in various sizes, including 22D, 22M, 22, 20, 16, and 8. The high-strength aluminum shells are available in different plating options like electroless nickel and cadmium finishes. With RoHS certified cadmium-free options, these connectors meet environmental standards while providing durable and conductive connections for military and industrial applications.