MIL-DTL-38999 Series I connectors are built for rugged environments, offering exceptional performance with up to 128 contacts in an insert. These connectors are designed for durability, with an operating temperature range of -65 °C to 200 °C. Featuring front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, they provide versatile connectivity options. Available in 9 shell sizes and 52 insert arrangements, utilizing M39029 rear release crimp contacts, these connectors ensure secure and reliable connections. Constructed with high strength aluminum shells and a variety of plating options, including cadmium-free finishes, they meet RoHS compliance standards. Suitable for military and industrial applications, MIL-DTL-38999 Series I connectors guarantee robust performance in demanding environments.