National Stock Number
4520-00-143-9548
National Stock Number (NSN) 4520-00-143-9548, or NIIN 001439548, (heater,water,gas) was assigned March 5, 1969 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) 07181. [A UNIT SPECIFICALLY DESIGNED FOR HEATING WATER BY A DIRECT FIRED METHOD, UTILIZING A GAS FUEL BURNED IN A COMBUSTION CHAMBER INCLOSED WITHIN ITSELF. MAY BE INCORPORATED WITH A TANK AS AN INTEGRAL OR AS A SEPARATE UNIT FOR STORAGE OF THE WATER SO HEATED.]. 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 4520001439548 does not contain precious metals.
This NSN is associated to Schedule B 8419190080: instantaneous or storage water heaters, nesoi, nonelectric. The Schedule B End Use is listed as household appliances. NAICS classification category 335228: other major household appliance manufacturing.
This information was last updated on Aug 01, 2025.