National Stock Number (NSN) 4330-01-133-7949, or NIIN 011337949, (filtering disk,fluid) was assigned June 22, 1982 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 7 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 6 suppliers. Today, 6 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 4 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over a year. There have been 11 contracts issued for this part number, with 11 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 7 different suppliers. The last contract numbers awarded were: SPE7M024V4675, SPE7M024V4302, SPE7M122V8586, SPE7M821P3253, SPE7M120V9634. The total value of the awarded contracts has been US$ 3,272.77.
This NSN is somewhat common among different platforms, belonging to 3 different weapons systems.
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) 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 4330011337949 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 Aug 01, 2025.