The MIL-DTL-38999 Series II connectors are designed for rugged environments, featuring up to 128 contacts in an insert for high-density connectivity. With an operating temperature range of -65 °C to 200 °C, they offer reliable performance in extreme conditions. Available in various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, these connectors are versatile for different applications. Constructed with aluminum shells and offering multiple plating options including cadmium-free finishes, they ensure durability and corrosion resistance. Utilizing M39029 rear release crimp contacts in various sizes, these connectors provide secure and efficient connections. Suitable for military and industrial use, they are RoHS compliant and meet stringent quality standards for reliable performance.