The MIL-DTL-38999 Series I connectors offer exceptional performance in demanding environments, with up to 128 contacts housed in a durable insert. These circular connectors are designed for front wall mount, rear wall mount, and jam nut receptacles, featuring RFI grounding plugs for added versatility. With a wide range of shell sizes and insert arrangements, they accommodate various applications with ease. Made with high-strength aluminum shells and available in different plating options, including RoHS-certified finishes, these connectors ensure reliable connectivity. Operating at temperatures ranging from -65 °C to 200 °C, they are suitable for a wide range of industrial and military applications.