National Stock Number
4820-01-168-1307
National Stock Number (NSN) 4820-01-168-1307, or NIIN 011681307, (cartridge,check valve) was assigned December 13, 1983 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 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, 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) 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 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 4820011681307 does not contain precious metals.
This NSN is associated to Schedule B 8481909090: parts of taps, cocks, valves and similar appliances, nesoi. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 332911: industrial valve manufacturing.
This information was last updated on May 01, 2025.