National Stock Number
4520-00-227-0029
National Stock Number (NSN) 4520-00-227-0029, or NIIN 002270029, (heater,water,steam-hot water hea) was assigned May 9, 1973 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 5 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are 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 somewhat common among different platforms, belonging to 5 different weapons systems.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 02, 2006, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The rights to use the data needed to purchase this part from additional sources are not owned by the Government and cannot be purchased. Valid AMCs: 1, 2, 3, 4 and 5.
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 4520002270029 contains an unknown precious metal.
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.