National Stock Number
4820-01-373-1400
National Stock Number (NSN) 4820-01-373-1400, or NIIN 013731400, (retainer,disk,valve) was assigned March 27, 1993 in the Federal Logistics Information System (FLIS). NIIN 013731400 was cancelled on June 2, 2001, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 4820014442525. 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.]. 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 4820013731400 does not contain precious metals.
This information was last updated on Jul 01, 2025.