National Stock Number
4820-00-395-6639
National Stock Number (NSN) 4820-00-395-6639, or NIIN 003956639, (valve,safety re) has an unknown assigned date. NIIN 003956639 was cancelled on April 2, 1993, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 4820012546116. 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) 77777. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4820003956639 does not contain precious metals.
This information was last updated on Aug 01, 2025.