National Stock Number
2990-01-445-5022
National Stock Number (NSN) 2990-01-445-5022, or NIIN 014455022, (pipe,exhaust) was assigned June 4, 1997 in the Federal Logistics Information System (FLIS). NIIN 014455022 was cancelled on July 2, 2004, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 2990013357413. 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) 60804. [A RIGID TUBULAR ITEM DESIGNED TO DIRECT THE EXHAUST GASES AWAY FROM AN ENGINE, HEATER, OR THE LIKE. FOR FLEXIBLE ITEMS, SEE HOSE, METALLIC.]. 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 2990014455022 does not contain precious metals.
This information was last updated on Aug 01, 2025.