The MIL-DTL-38999 Series II connectors offer high-performance connectivity with up to 128 contacts in a durable insert. Designed for harsh environments, they are sealed against the elements and can operate in temperatures ranging from -65 °C to 200 °C. Available in various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, these connectors are versatile for different applications. Featuring removable crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12, they ensure reliable conductivity. The connectors are constructed with aluminum shells and offer multiple plating options including electroless nickel and cadmium finishes. With a mating type of bayonet and a service rating of II, they are suitable for demanding environments. The MIL-DTL-38999 Series II connectors meet military specifications for quality and performance, making them ideal for aerospace, defense, and other rugged applications.