MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range of -65 °C to 200 °C, these connectors offer reliable performance in extreme conditions. Available in various shell sizes and insert arrangements, they accommodate M39029 rear release crimp contacts for secure connections. The high strength aluminum shells come in a range of plating options, including cadmium-free finishes, meeting RoHS certification. Suitable for military applications, these connectors ensure durability and conductivity, making them essential for reliable electrical connections in demanding environments.