National Stock Number
4330-00-277-3428
National Stock Number (NSN) 4330-00-277-3428, or NIIN 002773428, (filter,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, 4330004993300.
There are 23 manufacturer part numbers associated with this NSN. 22 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 3 suppliers are listed as Active suppliers 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 somewhat common among different platforms, belonging to 2 different weapons systems.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 2005, 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) 32622. [A FILTER HAVING INLET AND OUTLET CONNECTIONS AND DESIGNED TO BE CONNECTED IN A PIPE, TUBE OR HOSE LINE. FOR SPIN-ON, BASE-MOUNTED FILTERING DEVICES WITH INTEGRAL OUTER CASINGS, SEE FILTER ELEMENT, FLUID. EXCLUDES:AIR CONDITIONER.]. 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 4330002773428 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.