The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert for high-density applications. With a wide operating temperature range of -65 °C to 200 °C, these connectors are ideal for demanding conditions. Available in various configurations such as front and rear wall mount, jam nut, and box mount receptacles, they offer versatility in installation. The connectors utilize M39029 rear release crimp contacts, ensuring secure and reliable connections. Constructed with aluminum shells and offering multiple plating options, including cadmium-free finishes, they are built to withstand rugged use. Suitable for military applications and other industries requiring robust connectivity, these connectors meet stringent MIL-DTL-38999 II specifications.