The MIL-DTL-38999 Series II connectors offer a robust solution for harsh environments, featuring up to 128 contacts in an insert. Designed for durability, they are environmentally sealed and can operate in temperatures ranging from -65 °C to 200 °C. Available in various mounting options including front wall mount, rear wall mount, jam nut, rear box mount, and front box mount receptacles, they cater to diverse installation needs. With options for straight, RFI grounding, and standard plugs with a 90-degree cable clamp, these connectors provide versatility in connectivity. Utilizing M39029 rear release crimp contacts, they ensure secure connections with sizes 22D, 22M, 22, 20, 16, and 12. Crafted from aluminum shells and offering plating choices such as electroless nickel, they prioritize both strength and corrosion resistance. Compliant with RoHS regulations, these connectors are ideal for demanding applications in military, aerospace, and industrial settings.