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 reliability in extreme conditions. Available in various shell sizes and insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. The connectors come with options for plating, including cadmium-free finishes, and are RoHS compliant. Suitable for military applications, they boast high strength aluminum shells and offer RFI grounding plugs for added functionality. Whether for front or rear wall mount or jam nut receptacles, these connectors are built to withstand demanding environments with their durable construction and superior performance.