The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With environmental sealing and an operating temperature range of -65 °C to 200 °C, they offer reliable performance in demanding conditions. Available in various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they cater to diverse connectivity needs. These connectors, compliant with military specifications, come in aluminum shells with multiple plating options including gold for enhanced conductivity. With a focus on durability and longevity, they are suitable for applications requiring rugged and secure electrical connections.