MIL-DTL-38999 Series I connectors offer reliable connectivity in harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range from -65 °C to 200 °C, these connectors are suitable for a wide range of applications. Available in various shell sizes and insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. The high strength aluminum shells come in a variety of plating options, including cadmium-free finishes for RoHS compliance. With front and rear wall mount options, as well as jam nut receptacles and RFI grounding plugs, these connectors provide versatility and performance for military and industrial applications.