National Stock Number
4820-00-457-1555
National Stock Number (NSN) 4820-00-457-1555, or NIIN 004571555, (valve,plug) was assigned September 8, 1969 in the Federal Logistics Information System (FLIS). NIIN 004571555 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 is only one manufacturer part number associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 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 assigned to Item Name Code (INC) 05490. [A VALVE DESIGNED TO CONTROL THE FLOW OF A FLUID BY THE ROTATION OF A PORTED PLUG OR PLUG SECTOR WITHIN A SUITABLE PORTED SEAT. THE PLUG REQUIRES LUBRICATION FOR EASE OF OPERATION OR CONTAINS A BONDED COMPOSITION SEAL(S). SEE ALSO VALVE, SEATLESS AND COCK, PLUG.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4820004571555 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.