MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert. These environmentally sealed connectors have an operating temperature range of -65 °C to 200 °C, making them ideal for rugged applications. Available in various shell sizes and insert arrangements, they offer versatility for different connectivity needs. Constructed with high strength aluminum shells and offering multiple plating options, including RoHS certified cadmium-free finishes, these connectors ensure reliability and durability. With options for front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, they provide flexibility for installation. Utilizing M39029 rear release crimp contacts, these connectors guarantee secure and efficient connections. Suitable for military and industrial use, MIL-DTL-38999 Series I connectors are essential for demanding environments requiring high-performance connectivity solutions.