The 321163 is a SOLISTRAND series uninsulated ring tongue terminal for terminating 4/0 AWG solid or stranded wire. Constructed from tin-plated copper, it features a brazed seam for uniform strength and is applied with 'W' crimp tooling. This terminal accommodates a 1/2 inch (M12) stud, has a maximum length of 2.537 inches, and a wire barrel with a minimum inner diameter of 0.635 inches. SOLISTRAND terminals provide excellent corrosion and vibration resistance, making them suitable for a wide range of commercial and military applications requiring durable and reliable electrical connections.