MIL-DTL-38999 Series II connectors are designed for rugged environments, featuring up to 128 contacts sealed for protection against harsh conditions. With an operating temperature range of -65 °C to 200 °C, they offer reliability in extreme settings. Available in various configurations like front and rear wall mount, jam nut, and box mount receptacles, these connectors ensure versatile connectivity. Constructed with aluminum shells and offering plating options including cadmium-free finishes, they meet RoHS requirements. Utilizing M39029 rear release crimp contacts, they guarantee secure connections. Suitable for military and industrial applications, these connectors are essential for maintaining communication and power transmission in demanding environments.