MIL-DTL-38999 Series I connectors offer high-performance connectivity with up to 128 contacts in an insert, ideal for harsh environments. Featuring front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, they provide versatile installation options. With 52 insert arrangements and M39029 rear release crimp contacts in various sizes, including coax and twinax, these connectors ensure reliable connections. Constructed with high-strength aluminum shells and available in different plating options such as electroless nickel and cadmium finishes, they offer durability and corrosion resistance. Operating temperature ranges from -65 °C to 200 °C, making them suitable for a wide range of applications. RoHS compliant options are also available, meeting environmental standards. Perfect for military, aerospace, and industrial use, MIL-DTL-38999 Series I connectors guarantee exceptional performance in demanding conditions.