The 1571652-6 is a shielding hardware enclosure kit for a 25-position, shell size 3, AMPLIMITE HD-20 D-subminiature plug connector. This kit includes a connector with preloaded, nonremovable solder cup contacts, a tin-plated steel shield, a black PVC enclosure, and two zinc-coated brass jackscrews. The connector itself features a tin-plated steel shell, a black 94V-0 rated thermoplastic insert, and duplex-plated phosphor bronze contacts. It is designed to accommodate cables with an insulation diameter ranging from 0.324 to 0.385 inches (8.23 to 9.78 mm), providing a complete and robust solution for shielded cable-to-connector applications.