MIL-DTL-38999 Series II connectors feature up to 128 contacts in an insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. These connectors come in various configurations such as front and rear wall mount, jam nut, and box mount receptacles, with options for straight, RFI grounding, and standard plugs. Available in 9 shell sizes and 52 insert arrangements, they use M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12. Constructed with aluminum shells, they offer plating choices including light iridescent yellow cadmium, olive drab cadmium, electroless nickel, and black anodized aluminum, with RoHS compliant cadmium-free finishes. Suitable for military and industrial applications, these connectors ensure reliable performance in demanding conditions.
