1571650-4 is an AMPLIMITE HDP-20 crimp snap-in contact D-subminiature plug connector kit designed for shielded cable applications. This shell size 1 connector features 9 contact positions and includes a shielding enclosure with jackscrew mounting. The connector supports cable insulation diameters ranging from 0.217 to 0.385 inches (5.51-9.78 mm) and has overall dimensions of 1.64 inches (41.67 mm) for dimension C and 1.33 inches (33.74 mm) for dimension D. The kit components are shipped unassembled and are RoHS compliant, making it suitable for applications requiring EMI/RFI shielding in data communication and industrial control systems.