MIL-DTL-38999 Series I connectors boast superior performance in harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an impressive operating temperature range of -65 °C to 200 °C, these connectors are ideal for demanding applications. Available in various shell sizes and insert arrangements, they offer versatility in design. Crafted with high-strength aluminum shells and a choice of plating options including gold, electroless nickel, and cadmium-free finishes, these connectors ensure reliable conductivity. The MIL-DTL-38999 I family includes front and rear wall mount receptacles, jam nut receptacles, and RFI grounding plugs, all designed for secure and efficient connections. Meeting stringent military specifications, these circular connectors are perfect for aerospace, defense, and industrial applications requiring rugged and dependable performance.