National Stock Number
2990-01-478-1145
National Stock Number (NSN) 2990-01-478-1145, or NIIN 014781145, (muffler,exhaust) was assigned August 30, 2000 in the Federal Logistics Information System (FLIS). NIIN 014781145 was cancelled on July 2, 2015, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 2990015536301. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated 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 5 years, with the most recent procurement date of Oct 28, 2014. There have been 3 contracts issued for this part number, with 3 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7L015M0390, SPE7L314M6528, SPE7L314M6528, SPE7L314M4029, SPE7L314M4029. The total value of the awarded contracts has been US$ 20,051.97.
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 Aug 28, 2020, 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 Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 10849. 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 2990014781145 does not contain precious metals.
This information was last updated on Aug 01, 2025.