The MIL-DTL-38999 Series I connectors offer robust performance in harsh environments with up to 128 contacts housed in an insert. Featuring front wall mount, rear wall mount, and jam nut receptacles, these connectors ensure secure connectivity. Operating between -65°C and 200°C, they are designed for reliability in extreme conditions. With 52 insert arrangements and M39029 rear release crimp contacts, they provide versatility in applications. Constructed with high-strength aluminum shells and available in various plating options, including RoHS-certified finishes, these connectors guarantee durability and compliance. Suitable for military and industrial use, they meet stringent performance standards for mission-critical operations.