MIL-DTL-38999 Series I connectors offer exceptional performance in harsh environments, featuring up to 128 contacts housed in a sealed insert. Designed for durability, these connectors operate reliably in temperatures ranging from -65°C to 200°C. With front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, they provide versatile connectivity options. Available in 9 shell sizes and 52 insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. Crafted from high-strength aluminum, they come in various plating options, including cadmium-free finishes for RoHS compliance. Ideal for military and industrial applications, these connectors ensure reliable performance in demanding conditions.