National Stock Number
4820-01-533-1293
National Stock Number (NSN) 4820-01-533-1293, or NIIN 015331293, (retainer,disk,valve) was assigned September 1, 2005 in the Federal Logistics Information System (FLIS). NIIN 015331293 was cancelled on August 2, 2011, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There are 3 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 one supplier. Today, one supplier is listed as an Active supplier 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) 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.]. 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 4820015331293 does not contain precious metals.
This information was last updated on Jul 01, 2025.