MIL-DTL-38999 Series I connectors offer robust performance in harsh environments, featuring up to 128 contacts housed in a sealed insert. With a wide operating temperature range from -65°C to 200°C, they ensure reliability in extreme conditions. Available in various configurations including front and rear wall mount, as well as jam nut receptacles, these connectors meet stringent military specifications. Utilizing M39029 rear release crimp contacts, they guarantee secure connections in sizes 22D, 22M, 22, 20, 16, and 8, including coax and twinax options. Constructed with high-strength aluminum shells and offered in multiple plating choices such as cadmium and nickel, they provide durability and corrosion resistance. This Series I connector range is ideal for applications demanding rugged performance and RoHS compliance.