Avoid third-party "free UIC code list" websites. Many are scraped from old NAVFIT98A (Physical Fitness Assessment) software from 2015 and are dangerously outdated. A UIC that existed for the USS Enterprise (CVN-65) is now defunct; using it in a supply system would result in a rejected transaction.
: The first character identifies the branch. For the Navy, this is "N" . navy uic code list
The importance of the UIC cannot be overstated. It acts as the primary key for three critical pillars of naval operations: Avoid third-party "free UIC code list" websites