National Stock Number
2990-01-273-2500
National Stock Number (NSN) 2990-01-273-2500, or NIIN 012732500, (exhaust system,engine) was assigned February 22, 1988 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. 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) 37120. [AN ASSEMBLY SPECIFICALLY DESIGNED TO EXHAUST AND/OR TO MUFFLE THE SOUND OF GASES PRODUCED BY AN ENGINE. THE ITEM MAY INCLUDE MOUNTING HARDWARE AND SEALS.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 2990012732500 contains an unknown precious metal.
This NSN is associated to Schedule B 8708925000: mufflers and exhaust pipes for vehicles, nesoi. The Schedule B End Use is listed as other parts and accessories of vehicles.
This information was last updated on Aug 01, 2025.