National Stock Number
2990-01-517-5045
National Stock Number (NSN) 2990-01-517-5045, or NIIN 015175045, (sensor,mass air flow) was assigned February 10, 2004 in the Federal Logistics Information System (FLIS). NIIN 015175045 was cancelled on May 2, 2013, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 2990015592480. 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, only one supplier is deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Jul 16, 2010. 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: SPM7L110V9988. The total value of the awarded contracts has been US$ 229.51.
This NSN is unique to one weapons system.
There has been a small amount of 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 Sep 01, 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) 52832. [A UNIT EMPLOYING A HOT WIRE (RESISTIVE) ELEMENT TO MEASURE THE AIR FLOW INTO THE INTAKE MANIFOLD. IT PRE-HEATS THE ELEMENT TO KNOWN TEMPERATURE, THEN AS AIR FLOWS OVER THE ELEMENT (COOLING IT), THE DIFFERENCE IS SENT TO THE COMPUTER FOR AIR/FUEL MIXTURE CHANGES. ALSO SEE METER,VANE,AIR.]. 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 2990015175045 does not contain precious metals.
This information was last updated on Aug 01, 2025.