NSN (Column (3)). The NSN of the item is listed in this column.
CAGEC (Column (4)). The Contractor and Government Entity Code
(CAGEC) is a five-digit code which is used to identify the manufacturer,
distributor, or Government agency/activity that supplies the item.
PART NUMBER (Column (5)). Indicates the primary number used by the
manufacturer (individual, company, firm, corporation, or Government
activity), which controls the design and characteristics of the item by means
of its engineering drawings, specifications, standards, and inspection
requirements to identify an item or range of items.
When you use an NSN to requisition an item, the item you
receive may have a different P/N from the number listed.