Can inventory number records be deleted?

Is there any way via Netsuite UI, SuiteScript, or Netsuite Technical Support that inventory number records can be deleted?

We have a number of disabled Serialized Inventory Items that cannot be deleted from our system because there are inventory number records associated with them. There are no dependent transactions, only old inventory number records listed under Purchasing / Inventory when you switch from "On Hand" to "All". These were somehow created when the system was initially set up 10+ years ago, but we have never used serialized inventory.

I have been trying to remove these unneeded serial inventory items from our account so that the serialized inventory feature can be disabled, but have been unable to do so. Attempting to delete the item record brings up the error that there are dependent records, but the link to the list of dependent records is empty. I haven't found a method in the UI to delete inventory number records (which is what I presume is keeping us from deleting the serialized inventory item records). Attempts to delete inventory number records via script have not worked for