National Stock Number (NSN) 2940-00-218-5520, or NIIN 002185520, (filter element,fluid) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 12 manufacturer part numbers associated with this NSN. 12 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 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 somewhat common among different platforms, belonging to 3 different weapons systems.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Aug 02, 2004, 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) 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 2940002185520 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 Jul 01, 2025.