MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts housed within 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 utilize M39029 rear release crimp contacts for secure connections. The high-strength aluminum shells come with a range of plating options, including cadmium-free finishes, meeting RoHS certification standards. Ideal for military and aerospace applications, these connectors ensure durable and efficient electrical connections in demanding settings.