The MIL-DTL-38999 Series II connectors are engineered for rugged environments, boasting up to 128 contacts within their inserts. With a wide operating temperature range from -65°C to 200°C, these connectors offer reliable performance in extreme conditions. Available in various mounting styles such as front and rear wall mount, jam nut, and box mount receptacles, they cater to diverse application needs. Featuring durable aluminum shells with plating options including cadmium and nickel, these connectors ensure robust connectivity. Utilizing M39029 rear release crimp contacts, they guarantee secure and efficient electrical connections. Designed for military specifications, they meet stringent standards for performance and durability, making them ideal for aerospace, defense, and industrial applications.