National Stock Number
4520-00-257-4877
National Stock Number (NSN) 4520-00-257-4877, or NIIN 002574877, (heater,space) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 4520002733386.
There is only one manufacturer part number associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, there are no suppliers listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that 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 assigned to Item Name Code (INC) 03228. [A DEVICE DESIGNED TO BURN VARIOUS TYPES OF FUEL WITHIN AN INCLOSURE WHICH PROTECTS AND CONFINES THE FIRE. IT IS USED FOR THE PURPOSE OF RAISING THE TEMPERATURE OF THE AIR IN ITS IMMEDIATE VICINITY. THE INCLOSURE MAY BE VENTED. EXCLUDES:HEATER,DUCT TYPE,PORTABLE; HEATER,SPACE,ELECTRIC.]. 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 4520002574877 contains an unknown precious metal.
This NSN is associated to Schedule B 7321810000: nonelectric domestic appliances nesoi, iron or steel, gas fuel or both gas and other fuels. The Schedule B End Use is listed as household appliances. NAICS classification category 333414: heating equipment (except warm air furnaces) manufacturing.
This information was last updated on Aug 01, 2025.