MIL-DTL-38999 Series I connectors offer robust connectivity solutions for harsh environments, featuring up to 128 contacts in an insert. Designed for durability, they are environmentally sealed and can operate in temperatures ranging from -65 °C to 200 °C. Available in various shell sizes and insert arrangements, these connectors come in high-strength aluminum shells with multiple plating options, including cadmium-free finishes. With options for front wall mount, rear wall mount, and jam nut receptacles, they provide versatility for different mounting needs. Utilizing M39029 rear release crimp contacts, they ensure secure and reliable connections. The connectors, compliant with military specification MIL-DTL-38999 I, are ideal for applications requiring rugged performance in demanding conditions.