The MIL-DTL-38999 Series I connectors offer high-performance connectivity in harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an impressive operating temperature range of -65 °C to 200 °C, these connectors are built for durability. Available in various shell sizes and insert arrangements, they utilize M39029 rear release crimp contacts for reliable connections. The connectors come in high strength aluminum shells with a range of plating options, including cadmium-free finishes for RoHS compliance. Whether for military or industrial applications, these connectors, with their bayonet coupling and jam nut mounting options, ensure secure and efficient electrical connections.