MIL-DTL-38999 Series I connectors offer high-performance connectivity solutions with up to 128 contacts in a rugged, environmentally sealed insert. Designed for harsh environments, these connectors feature front wall mount, rear wall mount, and jam nut receptacles with RFI grounding plugs. Available in 9 shell sizes and 52 insert arrangements, they use M39029 rear release crimp contacts in various sizes. Crafted from high-strength aluminum with multiple plating options, including RoHS certified finishes, they ensure reliable operation in temperatures ranging from -65 °C to 200 °C. Perfect for military and industrial applications, these connectors meet stringent MIL-DTL-38999 I specifications.