The MIL-DTL-38999 Series I connectors offer reliable performance in harsh environments, featuring up to 128 contacts housed in an insert. These circular connectors are built for durability, with a wide operating temperature range of -65 °C to 200 °C. Available in various mounting options such as front wall mount, rear wall mount, and jam nut receptacles, they ensure secure connections. Utilizing M39029 rear release crimp contacts in different sizes, including coax and twinax, these connectors meet diverse application needs. Their high-strength aluminum shells come with a choice of plating options, from light iridescent yellow cadmium to black anodized aluminum, catering to specific requirements. With RoHS-certified finishes available, they guarantee compliance with environmental regulations. Whether in military or industrial settings, the MIL-DTL-38999 Series I connectors provide a reliable solution for demanding connectivity tasks.