MIL-DTL-38999 Series I connectors offer high-performance connectivity in harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range from -65°C to 200°C, these connectors are built for durability. Available in various shell sizes and insert arrangements, they accommodate M39029 rear release crimp contacts for secure connections. The connectors come in high strength aluminum shells with a choice of plating options, including cadmium-free finishes. Designed for military specifications, they are ideal for applications requiring rugged, reliable performance.