MIL-DTL-38999 Series I connectors feature up to 128 contacts in an insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various configurations like front wall mount, rear wall mount, and jam nut receptacles, they ensure RFI grounding. With 9 shell sizes and 52 insert arrangements, these connectors use M39029 rear release crimp contacts, including sizes 22D, 22M, 22, 20, 16, and 8. Crafted from high-strength aluminum, they offer plating options such as light iridescent yellow cadmium, olive drab cadmium, electroless nickel, and black anodized aluminum, with RoHS compliant finishes available. Ideal for military and industrial applications, MIL-DTL-38999 I connectors guarantee reliable performance in demanding conditions.