National Stock Number
2990-01-717-0429
National Stock Number (NSN) 2990-01-717-0429, or NIIN 017170429, (connector,exhaust pipe) was assigned December 23, 2023 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers 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) 32806. [A PREFORMED, RIGID, METALLIC ITEM, STRAIGHT OR ANGULAR HAVING ONE OR BOTH ENDS PROCESSED AND/OR TERMINATED. IT IS SPECIFICALLY DESIGNED TO CONNECT AN EXHAUST PIPE TO AN EXHAUST MANIFOLD, SPARK ARRESTER, MUFFLER, CATALYTIC CONVERTER OR TO JOIN PIPING IN AN EXHAUST SYSTEM OF AN ENGINE, HEATER, OR THE LIKE. FOR ITEMS OVER 12 INCHES IN LENGTH AND ITEMS SPECIFICALLY DESIGNED AS A TAILPIPE SEE PIPE, EXHAUST.]. 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 2990017170429 does not contain precious metals.
This NSN is associated to Schedule B 8412909080: parts of engines and motors, nesoi. The Schedule B End Use is listed as industrial engines. NAICS classification category 333111: farm machinery and equipment manufacturing.
This information was last updated on Aug 01, 2025.