MIL-DTL-38999 Series I connectors feature up to 128 contacts housed in an environmentally sealed insert, designed for rugged use in harsh environments. With an operating temperature range spanning from -65 °C to 200 °C, these connectors are highly versatile. Available in various configurations including front wall mount, rear wall mount, and jam nut receptacles with RFI grounding plugs, they offer flexibility in installation. Constructed with high-strength aluminum shells and utilizing M39029 rear release crimp contacts, these connectors ensure reliable performance. Plating options such as light iridescent yellow cadmium, olive drab cadmium, electroless nickel, and black anodized aluminum cater to diverse needs, with RoHS certified cadmium-free finishes available. Perfect for military and industrial applications, the MIL-DTL-38999 Series I connectors guarantee durability and conductivity in demanding settings.