The MIL-DTL-38999 Series I connectors are designed for rugged environments, featuring up to 128 contacts in an insert for secure connectivity. With a wide operating temperature range of -65 °C to 200 °C, they are suitable for extreme conditions. Available in various shell sizes and insert arrangements, these connectors offer flexibility for different applications. Constructed with high-strength aluminum shells and offering multiple plating options, including RoHS compliant finishes, they ensure durability and reliability. The connectors come in different mounting options, such as front wall mount, rear wall mount, and jam nut receptacles, with RFI grounding plugs for added protection. Using M39029 rear release crimp contacts, they guarantee secure connections. Ideal for military and industrial use, these connectors provide excellent environmental sealing and performance.