MIL-DTL-38999 Series I connectors offer high-performance connectivity with up to 128 contacts in an insert. Designed for harsh environments, they feature front wall mount, rear wall mount, and jam nut receptacles, along with RFI grounding plugs. With 52 insert arrangements available and utilizing M39029 rear release crimp contacts, they ensure reliable signal transmission. These connectors, housed in high-strength aluminum shells, come in various plating options like gold, electroless nickel, and cadmium-free finishes. Operating between -65°C and 200°C, they provide durability and conductivity for demanding applications. Suitable for military and industrial use, these connectors meet stringent MIL-DTL-38999 I specifications.