The MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert that is environmentally sealed. With an operating temperature range from -65 °C to 200 °C, these connectors offer reliable performance 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 for RoHS compliance. Ideal for military applications, these connectors meet stringent MIL-DTL-38999 I specifications and are suitable for use in demanding environments where durability and reliability are essential.