MIL-DTL-38999 Series I connectors are designed for harsh environments, with up to 128 contacts housed in an insert for secure connectivity. Featuring front wall mount, rear wall mount, and jam nut receptacles, these connectors are ideal for military and aerospace applications. They are environmentally sealed and have an impressive operating temperature range from -65 °C to 200 °C. Utilizing M39029 rear release crimp contacts, they offer reliable performance in sizes 22D, 22M, 22, 20, 16, and 8. The high-strength aluminum shells come in a variety of plating options, including electroless nickel and cadmium finishes. RoHS certified cadmium-free options are also available, making them compliant with environmental regulations. With their rugged construction and versatile design, MIL-DTL-38999 Series I connectors are essential for demanding industrial settings.