National Stock Number
4820-00-449-2371
National Stock Number (NSN) 4820-00-449-2371, or NIIN 004492371, (valve,flow control) was assigned May 26, 1974 in the Federal Logistics Information System (FLIS). NIIN 004492371 was cancelled on April 30, 2010, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. 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.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 45506. [AN INLINE OR CARTRIDGE TYPE ITEM DESIGNED TO CONTROL THE FLOW OF FLUIDS WITHIN A CLOSED SYSTEM. EXCLUDES ITEMS ACTUATED BY A PREDETERMINED PRESSURE AND/OR TEMPERATURE, ITEMS DESIGNED FOR USE WITH BREATHING GASSES, OR THOSE DESIGNED TO VENT OR CALIBRATE FLUIDS.]. 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 4820004492371 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.