MIL-DTL-38999 Series II connectors feature up to 128 contacts in an environmentally sealed insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various mounting styles including front and rear wall mount, jam nut, and box mount receptacles, as well as straight and 90-degree cable clamp plugs, they offer versatility in connectivity solutions. These connectors utilize M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12, and come in aluminum shells with options for plating such as cadmium and nickel finishes. With RoHS compliant variants, they ensure quality performance in demanding applications requiring reliable and durable connections.