The MIL-DTL-38999 Series I connectors offer high-performance connectivity with up to 128 contacts in an insert. Designed for harsh environments, 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 feature front wall mount, rear wall mount, and jam nut receptacles, along with RFI grounding plugs. Utilizing M39029 rear release crimp contacts, they ensure secure and reliable connections. Constructed with high-strength aluminum shells, they come in different plating options, including cadmium-free finishes. Ideal for military and industrial applications, these connectors provide durability and conductivity in demanding conditions.