National Stock Number
4820-01-399-7389
National Stock Number (NSN) 4820-01-399-7389, or NIIN 013997389, (disk,valve) was assigned December 4, 1994 in the Federal Logistics Information System (FLIS). NIIN 013997389 was cancelled on December 2, 2010, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 4820003497154. This NSN does not replace any other NSNs.
There are 4 manufacturer part numbers associated with this NSN. 2 of those 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. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.
This NSN is assigned to Item Name Code (INC) 35224. [AN ITEM OF VARIOUS SHAPES (USUALLY CIRCULAR, CONICAL, CYLINDRICAL, OR RECTANGULAR) USED TO PREVENT OR REGULATE THE FLOW OF LIQUIDS OR GASES THROUGH THE VALVE. MAY INCLUDE A RETAINER, SCREW, HOLDER, AND THE LIKE.]. 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 4820013997389 does not contain precious metals.
This information was last updated on Aug 01, 2025.