National Stock Number
4330-00-028-3901
National Stock Number (NSN) 4330-00-028-3901, or NIIN 000283901, (cover,fluid filter) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 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, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is 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 assigned to Item Name Code (INC) 22569. [A RIGID ITEM OF VARIOUS SHAPES DESIGNED AS A COMPONENT OF A FLUID FILTER, ACTING AS THE COVER AND RETAINING THE FILTER ELEMENT IN PLACE. THE ITEM DOES NOT HAVE AN INLET OR OUTLET CONNECTION. IT IS FASTENED ONTO THE FILTER BODY, FLUID BY MEANS OF CLAMPS OR BOLTS. FOR ITEMS WITH INLET AND/OR OUTLET CONNECTIONS, SEE HEAD, FLUID FILTER.]. 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 4330000283901 contains an unknown precious metal.
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.