For purchasing managers and buyers involved in aerospace, defense, and industrial supply sectors, upholding accuracy in identifying and procuring parts of need is essential for maintaining compliance and meeting all fulfillment objectives. One of the most effective tools for standardizing procurement processes is Federal Supply Class (FSC) data, which belongs to a structured classification system used by the U.S. government and allied nations to organize and procure countless items of trade. When used alongside manufacturer part numbers (MPNs), FSC data helps buyers correctly categorize, search, and validate the exact items they need. This practice reduces errors, prevents procurement delays, and strengthens alignment with defense logistics standards.