National Stock Number
2990-00-187-4712
National Stock Number (NSN) 2990-00-187-4712, or NIIN 001874712, (pipe,exhaust) was assigned March 14, 1973 in the Federal Logistics Information System (FLIS). NIIN 001874712 was cancelled on October 25, 2002, 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 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 2990001874712 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.