MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts housed in an insert for secure connectivity. These connectors are environmentally sealed, ensuring reliable performance in extreme conditions with an operating temperature range from -65 °C to 200 °C. Available in various mounting options like front wall mount, rear wall mount, jam nut, and box mount receptacles, they offer versatility in installation. Constructed with aluminum shells and offering multiple plating options including cadmium-free finishes, they meet stringent military specifications for durability and performance. Featuring gold-plated removable crimp contacts, these connectors provide excellent conductivity and mating reliability. Suitable for a wide range of applications, they are ideal for aerospace, defense, and industrial use where rugged, high-performance connectivity is essential.