National Stock Number
2990-01-192-4578
National Stock Number (NSN) 2990-01-192-4578, or NIIN 011924578, (connector,exhaust pipe) was assigned October 20, 1984 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 05, 2013, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
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 2990011924578 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 Jul 01, 2025.