MIL-DTL-38999 Series I connectors are designed for rugged environments, featuring up to 128 contacts in an insert with front wall mount, rear wall mount, and jam nut receptacle options. With an operating temperature range of -65 °C to 200 °C, these connectors are built to withstand extreme conditions. Utilizing M39029 rear release crimp contacts in various sizes, they ensure secure and reliable connections. The high strength aluminum shells come in 9 shell sizes and 52 insert arrangements, offering flexibility for different applications. Available in a range of plating options, including cadmium-free finishes, these connectors meet RoHS compliance standards. Suitable for military and industrial use, they provide excellent conductivity and environmental resistance for demanding applications.