MIL-DTL-38999 Series I connectors offer rugged reliability for harsh environments with up to 128 contacts enclosed in a sealed insert. Operating seamlessly in temperatures ranging from -65 °C to 200 °C, these connectors come in various configurations including front wall mount, rear wall mount, and jam nut receptacles, ensuring versatile installation options. Featuring M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 8, they provide secure connectivity. Constructed with high-strength aluminum shells and available in different plating options like electroless nickel, these connectors guarantee durability and corrosion resistance. With RoHS certified cadmium-free finishes, they adhere to environmental regulations, making them ideal for diverse applications requiring reliable electrical connections in demanding conditions.