give parts or assemblies a pseudo name, label or category for constraints auto name purpose
(possibly use part data either "standard properties" or "custom properties" fields or create new field)
The field should be overridable based on hierarchy, and is a unique ID field, so you can give the...
Prolog:
To be clear the "entries" allowed by the File Properties->General->Part Data system would have to be seriously improved to qualify as idiotic! Whoever dreamed them up obviously had no experience whatsoever with industrial material ordering, storage, or issuance. Shop-made Parts have one...