National Stock Number
4820-00-653-8639
National Stock Number (NSN) 4820-00-653-8639, or NIIN 006538639, (parts kit,pressure regulating valve) has an unknown assigned date. NIIN 006538639 was cancelled on May 25, 1997, 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 no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 14557. [A PARTS KIT USED FOR A VALVE, PRESSURE REGULATING. IT MAY CONTAIN SUCH ITEMS AS A DIAPHRAGM, DIAPHRAGM SPRING, VALVE SPRING, VALVE SEAT, VALVE SEAT GASKET, NEEDLE VALVE, RELIEF BALL, RELIEF SPRING, DOME GASKET, AND THE LIKE.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4820006538639 does not contain precious metals.
This information was last updated on Aug 01, 2025.