HP Pavilion 17 Maintenance And Service Manual page 27

Item Description
(3) Part number/Product number (p/n)
(4) Warranty period
(5)
Model description
Function
This number provides specific information about
the product's hardware components. The part number
helps a service technician to determine what
components and parts are needed.
This number describes the duration of the warranty
period for the computer.
This is the alphanumeric identifier used to locate
documents, drivers, and support for the computer.
Service tag
19