MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert with front wall mount, rear wall mount, and jam nut receptacles for versatile installation. These connectors are environmentally sealed and can operate in temperatures ranging from -65 °C to 200 °C. The connector family offers 9 shell sizes and 52 insert arrangements, utilizing M39029 rear release crimp contacts in various sizes, including coax and twinax options. Constructed with high-strength aluminum shells, they come in a range of plating options, such as light iridescent yellow cadmium, olive drab cadmium, electroless nickel, and black anodized aluminum, including RoHS certified cadmium-free finishes for environmental compliance. With a bayonet coupling and removable crimp contacts, these connectors provide reliable connectivity for military and industrial applications, offering durability with a 500-cycle mating life and conductive performance.
