MIL-DTL-38999 Series I connectors boast exceptional durability and performance in harsh environments, featuring up to 128 contacts within an environmentally sealed insert. With an impressive operating temperature range from -65 °C to 200 °C, these connectors are ideal for a wide range of applications. Available in various shell sizes and insert arrangements, they utilize M39029 rear release crimp contacts for secure connectivity. The high strength aluminum shells come in a variety of plating options, including cadmium-free finishes, ensuring reliable operation. Suitable for wall mounting, the connectors offer bayonet coupling and RFI grounding plugs for added versatility. With a service rating of I and conductive conductivity, they are designed for demanding environments.