MIL-DTL-38999 Series II connectors offer high-performance connectivity with up to 128 contacts, designed for harsh environments. Featuring a rugged aluminum shell and various plating options including gold, electroless nickel, and cadmium finishes, these circular receptacles ensure reliable operation in temperatures ranging from -65 °C to 150 °C. With multiple mounting options such as wall and box mounts, these connectors accommodate diverse installation needs. Utilizing M39029 rear release crimp contacts, they guarantee secure and efficient connections, suitable for military-grade applications. The bayonet coupling design and socket contact style provide ease of use and durability, with a service rating of I for enhanced reliability. RoHS compliant options are available for environmentally conscious applications. Perfect for demanding environments, these MIL-DTL-38999 Series II connectors are essential for aerospace, defense, and industrial systems requiring robust electrical connections.