National Stock Number
4820-01-373-8640
National Stock Number (NSN) 4820-01-373-8640, or NIIN 013738640, (disk,valve) was assigned April 11, 1993 in the Federal Logistics Information System (FLIS). NIIN 013738640 was cancelled on September 2, 2001, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 4820013738362. 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) 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 critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4820013738640 does not contain precious metals.
This information was last updated on Jul 01, 2025.