National Stock Number
4820-01-164-9051
National Stock Number (NSN) 4820-01-164-9051, or NIIN 011649051, (cartridge,check valve) was assigned October 21, 1983 in the Federal Logistics Information System (FLIS). NIIN 011649051 was cancelled on September 2, 1999, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 4820008338204. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to 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) 50956. [A COMPLETE, INTERCHANGEABLE VALVE INCLUDING A REMOVABLE SEAT BUT EXCLUDING A BODY. IT IS DESIGNED TO PERMIT FLOW IN ONE DIRECTION. IT IS THE ENTIRE OPERATING PORTION OF A VALVE THAT MAY BE INSERTED INTO VARIOUS BODY STYLES. THE ITEM CANNOT OPERATE INDEPENDENTLY AND IS EASILY REPLACEABLE. EXCLUDES ITEMS FURNISHED WITH A BODY OR THOSE DESIGNED FOR MANIFOLD INSTALLATION.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4820011649051 does not contain precious metals.
This information was last updated on May 01, 2025.