National Stock Number (NSN) 2940-00-947-4421, or NIIN 009474421, (filter element,intake air cleane) was assigned April 1, 1966 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 5 stock numbers: 2940001323223, 2910008479195, 2940008913531, 2940001362140, 2940008340955.
There are 28 manufacturer part numbers associated with this NSN. 19 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 22 suppliers. Today, 17 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 10 suppliers are 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 Oct 06, 2014. There have been 3 contracts issued for this part number, with 3 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE7L315V0148, SPM7L211V4036, SPM7L211V4036, SPM7L309V2184, SPM7L309V2184. The total value of the awarded contracts has been US$ 1,577.69.
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 Apr 25, 2008, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 60475. [A REPLACEABLE DEVICE DESIGNED TO REMOVE DUST, POLLEN OR OTHER FOREIGN MATTER FROM THE AIR PASSING THROUGH IT. THE REMOVAL OF PARTICLES IS ACCOMPLISHED BY POROUS MATERIAL (METALLIC OR NON-METALLIC), WIRE MESH, OR THE LIKE. IT IS DESIGNED TO FIT INTO AN AIR CLEANER,INTAKE.]. 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 2940009474421 contains an unknown precious metal.
This NSN is associated to Schedule B 8421310000: intake air filters for internal combustion engines. The Schedule B End Use is listed as engines and engine parts (carburetors, pistons, rings, and valves.
This information was last updated on Jul 01, 2025.