National Stock Number
4320-00-451-8003
National Stock Number (NSN) 4320-00-451-8003, or NIIN 004518003, (pump,centrifugal) was assigned May 21, 1971 in the Federal Logistics Information System (FLIS). NIIN 004518003 was cancelled on October 2, 2004, 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 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 one supplier. Today, one supplier is 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) 14741. [A NONPOSITIVE DISPLACEMENT DEVICE WHICH UTILIZES A ROTATING ELEMENT WITH VANES OR BLADES IN AN ENCLOSURE AS A MEANS OF TRANSFERRING A LIQUID FROM ONE PLACE TO ANOTHER. IT IS DESIGNED TO BE DRIVEN BY A PRIME MOVER WHICH IS NOT AN INTEGRAL PART OF THE PUMP. IT MAY BE SELF-PRIMING.]. 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 4320004518003 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.