MIL-DTL-38999 Series I connectors offer high-performance connectivity with up to 128 contacts in an environmentally sealed insert. Designed for harsh environments, they feature front wall mount, rear wall mount, and jam nut receptacles, along with RFI grounding plugs. Available in 9 shell sizes and 52 insert arrangements, these connectors utilize M39029 rear release crimp contacts in various sizes. With a durable aluminum shell and multiple plating options including cadmium-free finishes, they ensure reliable performance in temperatures ranging from -65 °C to 200 °C. Trusted for military applications, these connectors are ideal for demanding environments where secure and efficient data transmission is essential.