The MIL-DTL-38999 Series I connectors feature a rugged design suitable for harsh environments, with up to 128 contacts housed in an insert. These connectors are environmentally sealed and can operate in temperatures ranging from -65 °C to 200 °C. Available in various shell sizes and insert arrangements, they offer versatility in applications. Constructed with high-strength aluminum shells and offering multiple plating options, including RoHS-compliant finishes, they provide reliable connectivity. With options for front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, these connectors cater to diverse installation requirements. Utilizing M39029 rear release crimp contacts, they ensure secure connections in demanding scenarios. Perfect for military and industrial use, these connectors meet stringent MIL-DTL-38999 I specifications.