MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert and operating efficiently in temperatures ranging from -65 °C to 200 °C. These connectors come in various configurations, including front wall mount, rear wall mount, jam nut, rear box mount, and front box mount receptacles, catering to diverse installation needs. With options like straight, RFI grounding, and standard plugs with a 90-degree cable clamp, they offer flexibility in connectivity. Utilizing M39029 rear release crimp contacts, they ensure secure and reliable connections in sizes 22D, 22M, 22, 20, 16, and 12. Constructed with aluminum shells and available in different plating options such as cadmium and nickel, they provide durability and corrosion resistance. Meeting MIL-DTL-38999 II standards, these connectors are ideal for military and industrial applications where rugged performance is essential.