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 mounting options including front and rear wall mount, jam nut, and box mount receptacles, with straight, RFI grounding, and standard plugs available. With 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 such as light iridescent yellow cadmium, olive drab cadmium, electroless nickel, and black anodized aluminum, including RoHS compliant options. Suitable for military and other demanding applications, these connectors ensure reliable performance with features like bayonet coupling, gold contact plating, and environmental resistance.
