The MIL-DTL-38999 Series I connectors offer high-performance connectivity in harsh environments, boasting up to 128 contacts within a rugged insert. Designed for durability, these connectors are environmentally sealed and can operate in temperatures ranging from -65°C to 200°C. Featuring a variety of mounting options, including front and rear wall mount as well as jam nut receptacles, they ensure secure installation. Utilizing M39029 rear release crimp contacts in various sizes, they guarantee reliable connections. With a selection of plating options available, including cadmium-free finishes, these connectors meet stringent RoHS compliance standards. Perfect for military and aerospace applications, they provide reliable performance in demanding situations.