The MIL-DTL-38999 Series I connectors offer high-performance connectivity, boasting up to 128 contacts in a rugged environmentally sealed insert. Designed for harsh environments, they can operate reliably in temperatures ranging from -65°C to 200°C. Available in various configurations including front wall mount, rear wall mount, and jam nut receptacles, they feature RFI grounding plugs for enhanced signal integrity. With nine shell sizes and 52 insert arrangements, these connectors utilize M39029 rear release crimp contacts, ensuring secure and efficient connections. Constructed with high strength aluminum shells and offered in multiple plating options such as cadmium and nickel, they provide durability and corrosion resistance. Ideal for military and industrial applications, these connectors meet stringent MIL-DTL-38999 I specifications, guaranteeing quality and performance in demanding environments.