MIL-DTL-38999 Series II connectors are designed for rugged environments, offering up to 128 contacts in an insert. These connectors are sealed for protection and can operate in temperatures ranging from -65 °C to 200 °C. Featuring various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they provide versatility in installation. Available in aluminum shells with plating options including cadmium and nickel, these connectors meet stringent military specifications for durability. Utilizing M39029 rear release crimp contacts, they ensure reliable connections. Perfect for applications requiring high performance in harsh conditions, these connectors offer a range of shell sizes and insert arrangements.