The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts sealed for protection. With a wide operating temperature range from -65°C to 200°C, they ensure reliable performance in extreme conditions. Available in various mount types including front and rear wall mount, jam nut, and box mount receptacles, they offer versatility in installation. These connectors, compliant with military specifications, boast durable aluminum shells with plating options such as cadmium and nickel. With gold-plated contacts and a bayonet coupling mechanism, they guarantee secure and efficient connectivity. Suitable for applications requiring high reliability, they are ideal for military, aerospace, and industrial use.