National Stock Number
4820-01-220-1963
National Stock Number (NSN) 4820-01-220-1963, or NIIN 012201963, (valve,butterfly) was assigned November 9, 1985 in the Federal Logistics Information System (FLIS). NIIN 012201963 was cancelled on February 2, 1997, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 4820012129972. 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) 05489. [A VALVE THAT CONTROLS FLOW BY A CIRCULAR DISK, OR A PAIR OF SEMICIRCULAR DISKS, ATTACHED TO A COMMON SPINDLE OR LEVER TURNING ON A DIAMETRAL AXIS.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4820012201963 does not contain precious metals.
This information was last updated on Jul 01, 2025.