Final answer:
The TRIC code for updating item records in inventory management is the Supply Condition Code Update (SCU), which allows changes to stock number, ERRCD, and other associated fields.
Step-by-step explanation:
The Transaction Reporting and Control (TRIC) code that is used to change the stock number; expendability, recoverability, reparability, cost designator (ERRCD), equipment management code, routing identifier, or budget code on the item record is referred to as the Supply Condition Code Update (SCU).
This specific code enables adjustments to various fields within an item record to reflect changes in the management of the inventory.
When updating an item record, it's essential to apply the correct TRIC to ensure that all information is accurate and up to date for logistical and supply chain management purposes.