MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in a sealed insert. With an operating temperature range from -65 °C to 200 °C, these connectors offer reliability in extreme conditions. Available in various shell sizes and insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. The high-strength aluminum shells come with a choice of plating options, including cadmium-free finishes. Offering front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, they meet stringent military specifications for durability and performance. Perfect for applications requiring rugged connectivity, these connectors ensure reliable signal transmission in demanding environments.