The MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With front wall mount, rear wall mount, and jam nut receptacles, they offer versatility in installation. These connectors, compliant with military specification MIL-DTL-38999 I, ensure reliable performance in extreme conditions, with an operating temperature range from -65 °C to 200 °C. Utilizing M39029 rear release crimp contacts, they guarantee secure connections. Available in various shell sizes and insert arrangements, the connectors come with a range of plating options, including cadmium-free finishes for RoHS compliance. Their high-strength aluminum shells provide durability, making them suitable for demanding applications.