National Stock Number
2990-01-107-6224
National Stock Number (NSN) 2990-01-107-6224, or NIIN 011076224, (guard,muffler-exhaust pipe,nonai) was assigned February 10, 1981 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. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Dec 11, 2017. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7L018V1819. The total value of the awarded contracts has been US$ 4,690.00.
This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.
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 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) 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 2990011076224 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 Aug 01, 2025.