MIL-DTL-38999 Series I connectors offer robust connectivity solutions for harsh environments. With up to 128 contacts in an insert, these circular receptacles are designed for demanding applications. Featuring front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, they provide versatile installation options. Compliant with military specification MIL-DTL-38999 I, these connectors ensure reliable performance in extreme conditions. Utilizing M39029 rear release crimp contacts in various sizes, they guarantee secure connections. Constructed with high-strength aluminum shells and available in different plating options, including RoHS-compliant finishes, they meet stringent quality standards. Operating at temperatures ranging from -65 °C to 200 °C, they are suitable for a wide range of environments. With a service rating of Class E, these connectors are ideal for applications requiring durability and performance.