MIL-DTL-38999 Series I connectors offer high-performance connectivity with up to 128 contacts in an environmentally sealed insert. Designed for harsh environments, these connectors feature front wall mount, rear wall mount, and jam nut receptacles, along with RFI grounding plugs. With 9 shell sizes and 52 insert arrangements available, they accommodate various applications using M39029 rear release crimp contacts. The connectors, crafted from high-strength aluminum, come in a range of plating options including cadmium-free finishes. Operating temperatures span from -65°C to 200°C, ensuring reliability under extreme conditions. Meeting MIL-DTL-38999 I specifications, they are ideal for military and industrial use.