National Stock Number
4520-01-283-2521
National Stock Number (NSN) 4520-01-283-2521, or NIIN 012832521, (heater,space) was assigned August 1, 1988 in the Federal Logistics Information System (FLIS). NIIN 012832521 was cancelled on May 1, 2010, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. 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) 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 4520012832521 does not contain precious metals.
This information was last updated on Jul 01, 2025.