The Reference Number Category Code (RNCC) specifies the relationship of the part number to the Item of Supply. The codes and their definitions are derived from the Department of Defense DIDS Manual.
Note: These codes are available in the document, FEDERAL LOGISTICS INFORMATION SYSTEM - FLIS PROCEDURES MANUAL MULTIPLE APPLICATION REFERENCES/INSTRUCTIONS/TABLES AND GRIDS, JULY 2003, DoD 4100.39-M Volume 10.