The OMC 388881 Propeller Cone Nut is a metal cone nut manufactured by Outboard Marine Corporation (OMC) and identified by part number 388881. This cone nut is used in propeller assemblies to secure the propeller to the shaft and to provide a proper cone-fit for alignment within the hub. As a metal component of an outboard propulsion system, it serves as a critical part of maintaining propeller retention and proper operation in marine applications.
