National Stock Number
4520-00-273-1291
National Stock Number (NSN) 4520-00-273-1291, or NIIN 002731291, (heater,water,steam-hot water hea) was assigned November 11, 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 no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years.
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 for the first time. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
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.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4520002731291 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 Jul 01, 2025.