The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With front and rear wall mount options, jam nut, and box mount receptacles, they offer versatile installation. These connectors, meeting military specification MIL-DTL-38999 II, ensure reliable performance in rugged conditions. Operating between -65 °C and 200 °C, they are suitable for a wide range of applications. Available in aluminum shells with various plating options, including RoHS compliant finishes, they offer durability and corrosion resistance. Utilizing M39029 rear release crimp contacts, these connectors provide secure connections. With a selection of shell sizes and insert arrangements, they cater to diverse connectivity needs. Ideal for military, aerospace, and industrial use, these connectors provide high-quality electrical connections in demanding environments.