The MIL-DTL-38999 Series I connectors boast exceptional durability and performance, featuring up to 128 contacts within an environmentally sealed insert. Designed for harsh environments, they offer a wide operating temperature range from -65°C to 200°C. Available in various configurations such as front wall mount, rear wall mount, and jam nut receptacles, these connectors ensure reliable connectivity in demanding applications. With 52 insert arrangements and M39029 rear release crimp contacts, they provide versatility for different connection needs. Crafted from high strength aluminum, these connectors come with multiple plating options including cadmium-free finishes, catering to diverse environmental requirements. Meeting stringent military specifications, they guarantee high-quality performance for critical applications.