MIL-DTL-38999 Series I connectors offer reliable connectivity in harsh environments, featuring up to 128 contacts housed in an environmentally sealed insert. With a wide operating temperature range of -65 °C to 200 °C, these connectors are built to withstand 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 in different plating options, including cadmium-free finishes, ensuring durability and RoHS compliance. Designed for military specifications, these connectors are ideal for applications requiring rugged performance.