MIL-DTL-38999 Series II connectors boast up to 128 contacts in a durable, environmentally sealed insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Offering various mounting options including front and rear wall mount, jam nut, and box mount receptacles, these connectors ensure secure connectivity. Available in 9 shell sizes and 52 insert arrangements, they feature M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12. Constructed with aluminum shells, they come in a range of plating options such as electroless nickel and cadmium finishes. Meeting MIL-DTL-38999 II specifications, these connectors are ideal for applications requiring reliable performance in demanding conditions.