This document shows step by step how to load an Item into PeopleSoft.  These are items for use in Inventory, Requisitions, Purchase Orders, and Manufacturing.  This loads not only the item, but several attributes, including the Purchasing Item Attributes and Vendor link information.

This PDF is 8 pages long and lists each step.  It also includes all tables affected by the two component interfaces and has a helpful tips section too.

Example from PDF document: