National Stock Number
4320-01-256-3603
National Stock Number (NSN) 4320-01-256-3603, or NIIN 012563603, (pump,centrifugal) has an unknown assigned date. NIIN 012563603 was cancelled on August 10, 1991, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 4320011863377. 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) 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.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4320012563603 does not contain precious metals.
This information was last updated on Jun 01, 2025.