National Stock Number
2990-01-499-3301
National Stock Number (NSN) 2990-01-499-3301, or NIIN 014993301, (guard,muffler-exhaust pipe,nonai) was assigned July 19, 2002 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. One of those 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, only one supplier is deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over a year. There have been 2 contracts issued for this part number, with 2 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE7L023P0250, SPE7L117V4070. The total value of the awarded contracts has been US$ 1,625.99.
This NSN is unique to one weapons system.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Mar 16, 2017, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 51297. [A PROTECTIVE COVERING, USUALLY PERFORATED AND/OR MESHED, SPECIFICALLY DESIGNED TO PROTECT A NONAIRCRAFT ENGINE MUFFLER AND/OR EXHAUST PIPE. IT PREVENTS PHYSICAL DAMAGE TO EXPOSED EXHAUST SYSTEM PARTS AND PREVENTS POSSIBLE INJURY TO PERSONNEL WHILE THE UNIT IS OPERATING AND IMMEDIATELY AFTER OPERATION.]. 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 2990014993301 does not contain precious metals.
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 Jul 01, 2025.