National Stock Number
2990-01-578-9967
National Stock Number (NSN) 2990-01-578-9967, or NIIN 015789967, (sensor,mass air flow) was assigned October 27, 2009 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 5 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 6 suppliers. Today, 5 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
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 2990015789967 does not contain precious metals.
This NSN is associated to Schedule B 8409918000: parts for spark-ignition internal combustion piston engines, nesoi. The Schedule B End Use is listed as industrial engines. NAICS classification category 333618: other engine equipment manufacturing.
This information was last updated on Jul 01, 2025.