The MIL-DTL-38999 Series I connectors are designed for rugged environments, featuring up to 128 contacts in an insert with front wall mount, rear wall mount, and jam nut receptacles. With an operating temperature range from -65 °C to 200 °C, they offer reliable performance in extreme conditions. These connectors utilize M39029 rear release crimp contacts in various sizes, including coax and twinax, and come in high-strength aluminum shells. Available in different plating options such as cadmium and electroless nickel, they ensure durability and longevity. Perfect for military and industrial applications, these connectors meet stringent MIL-DTL-38999 I specifications for quality and performance.