MIL-DTL-38999 Series I connectors are designed for rugged environments, featuring up to 128 contacts in a sealed insert. With an operating temperature range of -65 °C to 200 °C, these connectors offer reliable performance in harsh 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 in multiple plating options, including cadmium-free finishes. Offering RoHS compliance, these connectors are ideal for military and industrial applications requiring durability and conductivity.