The MIL-DTL-38999 Series I connectors offer robust connectivity solutions for harsh environments, featuring up to 128 contacts housed in a durable insert. With a wide operating temperature range of -65 °C to 200 °C, these connectors are designed for rugged applications. Available in various shell sizes and insert arrangements, they come with M39029 rear release crimp contacts for secure connections. Constructed with high strength aluminum shells and offering multiple plating options, including RoHS compliant finishes, these connectors ensure reliable performance. The series includes front wall mount, rear wall mount, and jam nut receptacles, along with RFI grounding plugs, catering to diverse installation needs. Suitable for military and industrial use, these connectors are ideal for applications requiring durability and environmental sealing.