National Stock Number
4320-00-166-9089
National Stock Number (NSN) 4320-00-166-9089, or NIIN 001669089, (pump unit,centrifugal) was assigned February 7, 1973 in the Federal Logistics Information System (FLIS). NIIN 001669089 was cancelled on October 23, 2003, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There are 6 manufacturer part numbers associated with this NSN. 4 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 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.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 17988. [AN ASSEMBLED UNIT CONSISTING OF A COMMONLY MOUNTED CENTRIFUGAL PUMP(S), PRIME MOVER(S), AND THE NECESSARY COMPONENTS TO PROVIDE FOR A COMPLETE OPERATION.]. 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 4320001669089 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.