National Stock Number
4820-01-377-4100
National Stock Number (NSN) 4820-01-377-4100, or NIIN 013774100, (parts kit,pressure regulating valve) was assigned July 15, 1993 in the Federal Logistics Information System (FLIS). NIIN 013774100 was cancelled on April 2, 2004, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 4820013774101. This NSN does not replace any other NSNs.
There is only one manufacturer part number 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, 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) 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.]. 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 4820013774100 does not contain precious metals.
This information was last updated on May 01, 2025.