National Stock Number
4820-00-420-0840
National Stock Number (NSN) 4820-00-420-0840, or NIIN 004200840, (regulator,pressure) was assigned December 7, 1970 in the Federal Logistics Information System (FLIS). NIIN 004200840 was cancelled on April 29, 2010, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN replaces 1 stock number, 4210009110292.
There are 2 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 2 suppliers. Today, 2 suppliers are listed as Active suppliers 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) 77777. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4820004200840 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.