MIL-DTL-38999 Series I connectors offer high-performance connectivity with up to 128 contacts in an environmentally sealed insert. Operating in extreme temperatures from -65°C to 200°C, these rugged connectors are ideal for harsh environments. Available in various mounting options including front wall, rear wall, and jam nut, they feature RFI grounding plugs for reliable signal integrity. With 52 insert arrangements and M39029 rear release crimp contacts, they provide flexibility for different applications. Constructed with high-strength aluminum shells, they come in multiple plating options such as cadmium and nickel, ensuring durability. Meeting military specification MIL-DTL-38999 I, these connectors guarantee quality and performance for demanding industrial and aerospace applications. With RoHS certified finishes available, they offer a reliable and compliant solution for your connectivity needs.