MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring front wall mount, rear wall mount, and jam nut receptacles with RFI grounding plugs. With up to 128 contacts in an insert, they offer versatility in connectivity. Operating between -65 °C and 200 °C, these connectors ensure reliable performance in extreme conditions. Utilizing M39029 rear release crimp contacts, they come in various sizes to accommodate different applications. Constructed with high-strength aluminum shells and available in multiple plating options, including RoHS certified finishes, they provide durability and corrosion resistance. Perfect for military and aerospace applications, these connectors guarantee secure and efficient electrical connections in demanding environments.