MIL-DTL-38999 Series I connectors feature up to 128 contacts within an environmentally sealed insert, designed for harsh operating conditions with a temperature range of -65°C to 200°C. Available in various configurations including front and rear wall mount receptacles, these connectors offer reliable RFI grounding. With 9 shell sizes and 52 insert arrangements, they utilize M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 8. Constructed with high-strength aluminum shells, plating options include light iridescent yellow cadmium, olive drab cadmium, electroless nickel, and black anodized aluminum, with RoHS compliant finishes available. Suitable for military and industrial applications, these connectors, meeting MIL-DTL-38999 I standards, ensure durable performance in demanding environments.