National Stock Number
4520-01-625-7756
National Stock Number (NSN) 4520-01-625-7756, or NIIN 016257756, (heater,water,steam-hot water hea) was assigned February 13, 2014 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 13711. [A UNIT DESIGNED TO HEAT WATER IN A STORAGE TANK WHICH IS EQUIPPED WITH A COIL THAT RECEIVES STEAM OR HOT WATER FROM ANOTHER SOURCE. SEE ALSO HEATER, FLUID, INDUSTRIAL.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4520016257756 does not contain precious metals.
This NSN is associated to Schedule B 8402190000: vapor generating boilers, nesoi, including hybrid boilers. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 332410: power boiler and heat exchanger manufacturing.
This information was last updated on Aug 01, 2025.