The MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts housed in a sealed insert. With a wide operating temperature range of -65 °C to 200 °C, these connectors offer durability in extreme conditions. Available in various shell sizes and insert arrangements, they accommodate M39029 rear release crimp contacts for reliable connectivity. The high strength aluminum shells come in different plating options, including cadmium-free finishes, ensuring compatibility with RoHS standards. Ideal for military and industrial applications, these connectors provide secure and efficient electrical connections in demanding environments.