MIL-DTL-38999 Series I connectors offer high-performance connectivity with up to 128 contacts in a durable insert. Designed for harsh environments, these connectors are sealed and can operate in temperatures ranging from -65 °C to 200 °C. Featuring various mounting options including front wall, rear wall, and jam nut receptacles, they ensure secure installations. Compliant with military specification MIL-DTL-38999 I, these circular plugs are ideal for demanding applications. With a wide range of shell sizes and insert arrangements, they accommodate diverse connectivity needs. The use of M39029 rear release crimp contacts ensures reliable connections, while options for gold plating provide excellent conductivity. Built to last, these connectors come in high-strength aluminum shells with various plating finishes available, including RoHS-compliant options. From aerospace to industrial environments, they provide dependable performance in critical applications.