National Stock Number
4820-00-476-6522
National Stock Number (NSN) 4820-00-476-6522, or NIIN 004766522, (retainer,disk,valve) was assigned February 1, 1994 in the Federal Logistics Information System (FLIS). NIIN 004766522 was cancelled on February 2, 1994, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 4820001771742. 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) 35917. [AN ITEM OF VARIOUS SHAPES AND CROSS-SECTIONS, THAT MAY BE FLANGED AND THAT IS DESIGNED TO FIT OVER A VALVE DISK, ALLOWING PROPER POSITION OF DISK-TO-VALVE SEAT WITHIN A VALVE BODY.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4820004766522 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.