MIL-DTL-38999 Series I connectors offer robust performance in harsh environments, featuring up to 128 contacts in an insert. Designed for durability, these connectors are environmentally sealed and can operate in temperatures ranging from -65°C to 200°C. Available in various mounting options including front wall, rear wall, and jam nut receptacles, they ensure secure connections. With 52 insert arrangements and M39029 rear release crimp contacts, these connectors provide flexibility for diverse applications. Constructed with high-strength aluminum shells and offered in multiple plating options, including RoHS compliant finishes, they meet stringent military specifications. Perfect for applications requiring reliable electrical connectivity in demanding conditions.