MIL-DTL-38999 Series I connectors offer high-performance connectivity with up to 128 contacts in a rugged insert. Designed for harsh environments, these connectors are sealed for protection and can operate in temperatures ranging from -65 °C to 200 °C. Available in various shell sizes and insert arrangements, they feature front wall mount, rear wall mount, and jam nut receptacles, with options for RFI grounding plugs. Built with durable aluminum shells and a choice of plating finishes, including RoHS-certified cadmium-free options, these connectors ensure reliable performance in demanding applications. Suitable for military and aerospace use, they meet stringent MIL-DTL-38999 I specifications, making them ideal for critical communication and power systems.