MIL-DTL-38999 Series I connectors offer high-performance connectivity in harsh environments, featuring up to 128 contacts housed in a sealed insert. With an operating temperature range of -65°C to 200°C, these connectors are built for reliability. Available in various shell sizes and insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. The connectors come in durable aluminum shells with plating options including electroless nickel and cadmium finishes. Meeting stringent military specifications, they provide a rugged solution for critical applications.