National Stock Number
4820-01-547-8493
National Stock Number (NSN) 4820-01-547-8493, or NIIN 015478493, (valve,check) was assigned February 1, 2007 in the Federal Logistics Information System (FLIS). NIIN 015478493 was cancelled on April 2, 2011, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 2530121224343. This NSN replaces 1 stock number, 4820015578403.
There are 3 manufacturer part numbers associated with this NSN. None of the associated 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, 2 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Nov 24, 2010. There have been 3 contracts issued for this part number, with 3 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPM7L311M1624, SPM7L310M5915, SPM7L310M3922. The total value of the awarded contracts has been US$ 788.92.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries.
This NSN is assigned to Item Name Code (INC) 05487. [A VALVE PERMITTING FLOW IN ONE DIRECTION ONLY. IT DOES NOT HAVE A STEM, EXCEPT WHEN EQUIPPED WITH A LEVER AND WEIGHT AND HAS NO PRESSURE ADJUSTMENT. IT MAY BE INLINE OR CARTRIDGE (MANIFOLD) DESIGN.]. 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 4820015478493 does not contain precious metals.
This information was last updated on Jun 01, 2025.