National Stock Number
4330-00-344-0401
National Stock Number (NSN) 4330-00-344-0401, or NIIN 003440401, (filter element,fluid) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 4330003699937.
There are 4 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 10, 2014, 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 data needed to produce this item from additional sources is not physically available. Valid AMCs: 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 4330003440401 contains an unknown precious metal.
This NSN is associated to Schedule B 8421290065: filtering or purifying machinery and apparatus for liquids, nesoi. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 333999: all other miscellaneous general purpose machinery manufacturing.
This information was last updated on Jul 01, 2025.