National Stock Number
2990-01-299-3998
National Stock Number (NSN) 2990-01-299-3998, or NIIN 012993998, (pipe,exhaust) was assigned April 30, 1989 in the Federal Logistics Information System (FLIS). NIIN 012993998 was cancelled on September 2, 2003, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 2990013328617. 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.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 2990012993998 does not contain precious metals.
This information was last updated on Jul 01, 2025.