The MIL-DTL-38999 Series II connectors offer reliable connectivity in harsh environments, with up to 128 contacts housed in a durable insert. Featuring front wall mount, rear wall mount, jam nut, and box mount receptacles, they ensure secure connections in various applications. With a wide operating temperature range of -65°C to 200°C, these connectors are suitable for demanding environments. Available in aluminum shells with multiple plating options, including cadmium-free finishes, they meet stringent military specifications. Utilizing removable crimp contacts, these connectors provide easy installation and maintenance. Designed for longevity, they offer 500 mating cycles and are ideal for applications requiring environment-resistant and conductive properties. With a range of shell sizes and insert arrangements, they cater to diverse connectivity needs.