MIL-DTL-38999 Series I connectors, featuring up to 128 contacts, are designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various configurations such as front and rear wall mount receptacles, as well as jam nut receptacles and RFI grounding plugs, they offer versatility in connectivity solutions. With 52 insert arrangements and M39029 rear release crimp contacts, these connectors ensure secure and reliable connections. Constructed with high strength aluminum shells and offering multiple plating options including cadmium-free finishes, they meet RoHS compliance standards. Suitable for military and industrial applications, these connectors provide durability and performance in demanding environments.