MIL-DTL-38999 Series I connectors offer high-performance connectivity with up to 128 contacts in a durable insert. Designed for harsh environments, these connectors are environmentally sealed and can withstand temperatures ranging from -65 °C to 200 °C. Featuring front and rear wall mount options, as well as jam nut receptacles, they provide versatile installation solutions. Utilizing M39029 rear release crimp contacts in various sizes, including 22D, 22M, 22, 20, 16, and 8, these connectors ensure reliable connections. Constructed with high-strength aluminum shells and available in different plating options, such as gold, electroless nickel, and more, they offer flexibility for diverse applications. With RoHS compliant finishes, these connectors meet environmental standards, making them ideal for military and industrial use.