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. Operating between -65 °C and 200 °C, these connectors are environmentally sealed for reliable performance. Utilizing M39029 rear release crimp contacts in various sizes, they ensure secure connections. Available in 9 shell sizes and 52 insert arrangements, they cater to diverse applications. Constructed with high-strength aluminum shells and offered in multiple plating options, including RoHS certified finishes, they guarantee durability and compliance with industry standards.