MIL-DTL-38999 Series I connectors offer reliable connectivity in harsh environments with up to 128 contacts, featuring front and rear wall mount options, as well as jam nut receptacles. These circular connectors, designed to military specification, ensure secure electrical connections with gold-plated, removable crimp contacts. Operating in a wide temperature range from -65 °C to 175 °C, they are suitable for diverse applications. The high-strength aluminum shells, available in various plating options including electroless nickel and cadmium olive drab, provide durability and corrosion resistance. With RoHS compliant finishes, these connectors meet environmental standards while offering exceptional performance in demanding settings.