National Stock Number (NSN) 2940-00-413-8521, or NIIN 004138521, (filter element,fluid) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 8 stock numbers. Five of the National Stock Numbers that it replaces are: 3830008588130, 2990007683421, 2940005403537, 2940000180246, 2940004265583.
There are 30 manufacturer part numbers associated with this NSN. 14 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 25 suppliers. Today, 17 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 12 suppliers are 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 Jul 11, 2016. 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: SPE7L316V8766, SPE7L316V8766. The total value of the awarded contracts has been US$ 954.89.
This NSN is somewhat common among different platforms, belonging to 6 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 May 21, 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) 32624. [A REPLACEABLE DEVICE DESIGNED TO REMOVE SOLID PARTICLES FROM FLUIDS RANGING IN DENSITY FROM HEAVY LIQUIDS TO GASES. THE REMOVAL OF PARTICLES IS ACCOMPLISHED BY POROUS MATERIAL (METALLIC OR NON-METALLIC), STACKED DISKS, WOUND WIRE, OR THE LIKE, CONSTRUCTED SO THE FLUID CAN FLOW THROUGH THE DEVICE WHILE THE SOLID PARTICLES ARE RETAINED. IT MAY BE DESIGNED TO FIT INTO A FILTER, FLUID (OR SIMILAR CAVITY), OR IT MAY HAVE AN INTEGRAL OUTER CASING AND MOUNTING FACILITIES AND BE DESIGNED TO CONNECT DIRECTLY TO AN ENGINE, COMPRESSOR, OR THE LIKE. THE DEGREE OF REMOVAL OF PARTICLES MUST BE NOMINALLY RATED AT LESS THAN 50 MICRONS OR ABSOLUTELY RATED AT LESS THAN 75 MICRONS. EXCLUDES:FILTER ELEMENT, AIR CONDITIONING. SEE ALSO STRAINER ELEMENT, SEDIMENT.]. 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 2940004138521 contains an unknown precious metal.
This NSN is associated to Schedule B 8421230000: oil or fuel 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 Jun 01, 2025.