About Item Numbers
Use the Project Parameters dialog box to access numbering functions. You can create and update item numbers for all models, and include or exclude a specific model from item number creation.
Item numbers are made up of a prefix, a serial number, and a suffix. Identical Creo Parametric models have the same item number. You can search for identical models, and apply the same serial number to them, even if they are not the same Creo Parametric model. The item number is stored in the EFX_ITEM_NR model parameter as well as in parameter EFX_ITEM_NR of model's component feature in assembly. Parts and assemblies can have their own numbering styles.
You can create an item number for the following types of models:
Profiles
Project subassemblies
Connector elements that have been assembled as a copy
Equipment elements that have been assembled as a copy
Screws, nuts, washers, and dowel pins
Other models assembled using Creo Advanced Framework