Siemens ASK74.1U Shaft Adapter Special,
This Special Shaft Adapter accepts up to 1-1/20″ diameter shafts and can use for coupling to 1.05″ jackshafts that are slightly oversize. This adapter is for use with GCA, GBB and GIB damper actuators. When the adapter use with a GIB damper actuator, it accepts shaft diameters from 3/4 to 1-1/20″.

