National Stock Number
4820-01-348-1786
National Stock Number (NSN) 4820-01-348-1786, or NIIN 013481786, (valve,purge) was assigned November 5, 1991 in the Federal Logistics Information System (FLIS). NIIN 013481786 was cancelled on June 2, 2012, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 4220011724055. 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 somewhat common among different platforms, belonging to 5 different weapons systems.
This NSN is assigned to Item Name Code (INC) 39525. This item does not have a nuclear hardened feature but does have other critical feature(s) 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 4820013481786 does not contain precious metals.
This information was last updated on Aug 01, 2025.