MIL-DTL-38999 Series I connectors offer robust connectivity with up to 128 contacts housed in an insert, ensuring reliable performance in harsh environments. Designed for military and aerospace applications, these connectors are environmentally sealed and can operate in temperatures ranging from -65 °C to 200 °C. Featuring front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, they provide versatile installation options. With 9 shell sizes and 52 insert arrangements available, these connectors accommodate various configurations, utilizing M39029 rear release crimp contacts for secure connections. Constructed with high-strength aluminum shells and offering multiple plating options, including RoHS-compliant finishes, they meet stringent quality and performance standards. Perfect for demanding applications, MIL-DTL-38999 Series I connectors ensure reliable and durable connectivity in critical systems.