Glossary: NMFC Code
**NMFC Code** is a standardized commodity classification number managed by the National Motor Freight Traffic Association (NMFTA) that groups items by density, ease of handling, stowability, and liability to determine freight class ratings.
Shipping Freight Class Rules
NMFC codes prevent billing disputes by standardizing item categories. Shippers must specify the correct NMFC item number and density on bills of lading to ensure billing rate consistency.