In the Structured BOM of the main assembly, components 004, 005, and 006 have item numbers 4, 5, and 6 (after the dot symbol). Item numbers of components 004, 005, and 006 in the structured BOM view in subassembly 010 are 1, 2, and 3.
Structured main assembly BOM before applying the command
Structured subassembly BOM before applying the command
Structured subassembly BOM after applying the command
After running the command, structured numbering in the subassembly matches the structured numbering (behind the dot symbol) of the main assembly. The subassembly file is physically modified by the command.