MIL-DTL-38999 Series II connectors feature up to 128 contacts in an environmentally sealed insert, designed for rugged applications with an operating temperature range of -65 °C to 200 °C. These harsh environment connectors come in various styles, including front and rear wall mount, jam nut, and box mount receptacles. Available in straight, RFI grounding, and standard plugs with a 90-degree cable clamp, they offer versatility in connectivity solutions. Utilizing M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12, these connectors ensure secure connections. Constructed with aluminum shells and offered in different plating options, such as cadmium and nickel, they meet diverse industrial needs. With RoHS compliant finishes, they guarantee environmental safety, making them ideal for military and aerospace applications.