The MIL-DTL-38999 Series I connectors feature up to 128 contacts housed in an environmentally sealed insert, designed for harsh operating conditions with a wide temperature range of -65 °C to 200 °C. Available in various mounting configurations including front wall mount, rear wall mount, and jam nut receptacles, these connectors offer reliable connectivity. Compliant with military specification MIL-DTL-38999 I, they utilize M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 8. Constructed with high-strength aluminum shells, they come in different plating options such as light iridescent yellow cadmium, olive drab cadmium, electroless nickel, and black anodized aluminum. With RoHS certified cadmium-free finishes available, these connectors ensure both performance and environmental compliance.