National Stock Number
4330-01-185-8257
National Stock Number (NSN) 4330-01-185-8257, or NIIN 011858257, (filtering disk,fluid) was assigned August 4, 1984 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, there are no suppliers 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.
This part number has not been procured by the US Government in over 5 years.
This NSN is fairly common among different weapons systems, belonging to 20 different platforms.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jan 01, 2013, 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 or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 61856. [A FLAT, CIRCULAR, REPLACEABLE DEVICE, WITH OR WITHOUT A CENTRALLY LOCATED HOLE, DESIGNED TO REMOVE SOLID PARTICLES FROM FLUIDS RANGING IN DENSITY FROM HEAVY LIQUIDS TO GASES. THE REMOVAL OF PARTICLES IS ACCOMPLISHED BY POROUS, FIBROUS OR SHREDDED MATERIAL (METALLIC OR NON-METALLIC) WHICH RETAINS THE SOLID PARTICLES IN THE FLUID PASSING THROUGH IT. IT MAY BE ENCASED AND USED AS A SINGLE ITEM OR STACKED TO FORM A FLUID FILTER ELEMENT. EXCLUDES:DISK, SOLID, PLAIN; DIAPHRAGM (AS MODIFIED); STRAINER ELEMENT, SEDIMENT; AND WIRE FABRIC.]. 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 4330011858257 does not contain precious metals.
This NSN is associated to Schedule B 8421990080: parts of machinery and apparatus for filtering or purifying liquids and gases, 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 May 01, 2025.