National Stock Number
4730-01-319-7452
National Stock Number (NSN) 4730-01-319-7452, or NIIN 013197452, (restrictor unit,fluid flow) was assigned May 13, 1990 in the Federal Logistics Information System (FLIS). NIIN 013197452 was cancelled on January 2, 1998, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 4730014249088. 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) 20933. [AN ASSEMBLY CONSISTING OF AN ORIFICE IN A FIXED PLATE, DISK, OR TUBE WITH SCREENS OR FILTERS ON ONE OR BOTH SIDES, DEPENDING ON THE DIRECTION OF FILTERED FLOW. SEE RESTRICTOR, FLUID FLOW.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4730013197452 does not contain precious metals.
This information was last updated on Aug 01, 2025.