National Stock Number
4820-00-203-7124
National Stock Number (NSN) 4820-00-203-7124, or NIIN 002037124, (valve,check) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 002037124 was cancelled on February 2, 1997, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 4820005072213. This NSN replaces 1 stock number, 2915007255163.
There are no manufacturer part numbers associated to this NSN. ISO Group has several sources of supply for 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) 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.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4820002037124 does not contain precious metals.
This information was last updated on Jul 01, 2025.