MIL-DTL-38999 Series I connectors offer robust connectivity with up to 128 contacts in a sealed insert, designed for extreme environments. Operating reliably in temperatures ranging from -65 °C to 200 °C, these connectors come in various mounting options like front wall, rear wall, and jam nut receptacles, all featuring RFI grounding plugs. With 52 insert arrangements and M39029 rear release crimp contacts, they ensure secure and efficient connections. Constructed with high-strength aluminum shells and available in different plating options, including RoHS-certified finishes, they meet stringent military specifications for durability and performance in demanding applications.