Space and Water Heating Equipment
Facilities & Construction › Facility Related Materials
About PSC 4520
PSC 4520 is a federal product code classifying acquisitions related to space and water heating equipment. As a product code (starting with 4), this code belongs to the Federal Supply Classification (FSC) system, where it also maps to National Stock Numbers (NSN).
Includes
Boilers, 15 pounds WSP and under (for boilers over 15 pounds WSP, see FSC 4410); Domestic Water Storage Tanks through 100 gallon capacity; Fireplace Heaters; Furnaces; Space Heaters; Heating Radiators; Immersion Heaters; Water Heaters, through 100 gallon recovery capacity (for heaters over 100 gallons recovery capacity, see FSC 4410).
Excludes
Vehicle Heaters (FSC 2540); Aircraft Heaters (FSC 1660).
Related NAICS Codes
Contracts with PSC 4520 are typically awarded to companies in these NAICS industries:
NSN / Federal Supply Class Connection
PSC product code 4520 corresponds to Federal Supply Class (FSC) 4520. The FSC forms the first four digits of every National Stock Number (NSN) in this category. Items classified under FSC 4520 are procured through DLA and may appear in DIBBS solicitations.
Browse FSC 4520 in NSN Lookup →






