The MIL-DTL-38999 Series I connectors feature up to 128 contacts within an insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various shell sizes and insert arrangements, these connectors offer front wall mount, rear wall mount, and jam nut receptacles, along with RFI grounding plugs. Constructed with high-strength aluminum shells, they come in a range of plating options including cadmium and nickel finishes. With RoHS certified cadmium-free alternatives, they ensure reliable connectivity in demanding military and industrial applications.