The MIL-DTL-38999 Series II connectors are designed for rugged environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range from -65 °C to 200 °C, they offer reliable performance in harsh conditions. Available in various mounting styles, including front and rear wall mount, jam nut, and box mount receptacles, these connectors ensure versatility in installation. Utilizing M39029 rear release crimp contacts, they guarantee secure connections. Constructed with aluminum shells and offering multiple plating options, such as cadmium-free finishes, they meet stringent military specifications. Ideal for aerospace, defense, and industrial applications, these connectors provide durable and high-performance connectivity solutions.