National Stock Number
5821-00-155-8804
National Stock Number (NSN) 5821-00-155-8804, or NIIN 001558804, (heat pipe assembly) was assigned October 24, 1971 in the Federal Logistics Information System (FLIS). NIIN 001558804 was cancelled on August 2, 2004, with a cancelled status of "Item is Cancelled WITHOUT Replacement." 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, 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) 77777. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5821001558804 does not contain precious metals.
This information was last updated on Jul 01, 2025.