National Stock Number
6680-01-556-5391
National Stock Number (NSN) 6680-01-556-5391, or NIIN 015565391, (retrofit kit,level) was assigned October 3, 2007 in the Federal Logistics Information System (FLIS). NIIN 015565391 was cancelled on September 2, 2008, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 2990015565319. This NSN does not replace any other NSNs.
There is only one manufacturer part number 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, 2 suppliers are 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) 67904. [A KIT CONSISTING OF ITEMS SUCH AS LEVEL SENSOR ASSEMBLY, COVER GASKET, CORD CONNECTOR, ASSEMBLY GASKET, LOCK NUTS AND INSTRUCTION SHEET.]. 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 6680015565391 does not contain precious metals.
This information was last updated on Aug 01, 2025.