National Stock Number
4820-00-611-5525
National Stock Number (NSN) 4820-00-611-5525, or NIIN 006115525, (valve,check) was assigned February 5, 1975 in the Federal Logistics Information System (FLIS). NIIN 006115525 was cancelled on January 2, 1998, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 4820006115524. This NSN does not replace any other NSNs.
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.
There has been very little 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.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4820006115525 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.