MIL-DTL-38999 Series I connectors offer exceptional reliability in harsh environments, featuring up to 128 contacts within a secure insert. Designed for a wide range of applications, these connectors are environmentally sealed and can withstand temperatures from -65 °C to 200 °C. With options for front wall mount, rear wall mount, and jam nut receptacles, they provide versatility in installation. Utilizing M39029 rear release crimp contacts in various sizes, including coax and twinax, they ensure efficient connectivity. Encased in high-strength aluminum shells with a choice of plating options, including cadmium-free finishes, these connectors meet stringent performance standards. Ideal for military and industrial use, they offer reliable signal transmission in demanding conditions.