National Stock Number
2990-00-451-4874
National Stock Number (NSN) 2990-00-451-4874, or NIIN 004514874, (pipe,exhaust) was assigned May 17, 1971 in the Federal Logistics Information System (FLIS). NIIN 004514874 was cancelled on April 30, 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 are no manufacturer part numbers associated to this NSN.
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 2990004514874 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.