MIL-DTL-38999 Series I connectors offer reliable connectivity with up to 128 contacts, designed for harsh environments. Featuring front and rear wall mount options, as well as jam nut receptacles with RFI grounding plugs, these connectors ensure secure installations. With a wide range of shell sizes and insert arrangements, they accommodate various contact types, including M39029 rear release crimp contacts. The high-strength aluminum shells are available in different plating options, such as gold, electroless nickel, and cadmium-free finishes, meeting RoHS standards. Operating in temperatures ranging from -65°C to 200°C, these connectors provide durable performance for military and industrial applications.