National Stock Number
4320-01-239-7643
National Stock Number (NSN) 4320-01-239-7643, or NIIN 012397643, (impeller,pump,centrifugal) was assigned September 4, 1986 in the Federal Logistics Information System (FLIS). NIIN 012397643 was cancelled on June 2, 2006, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 4320014439368. This NSN does not replace any other NSNs.
There are 2 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, there are no suppliers listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are 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 assigned to Item Name Code (INC) 10089. [AN ITEM CONSISTING OF BLADES OR PADDLES EQUALLY SPACED AROUND THE PERIPHERY OF A HUB, ROTOR, OR WHEEL. IT IS THE ROTATING PART OF A PUMP, CENTRIFUGAL.]. 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 4320012397643 does not contain precious metals.
This information was last updated on Aug 01, 2025.