National Stock Number
4320-01-525-9731
National Stock Number (NSN) 4320-01-525-9731, or NIIN 015259731, (parts kit,rotary pump) was assigned December 2, 2004 in the Federal Logistics Information System (FLIS). NIIN 015259731 was cancelled on June 2, 2012, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 4320015677129. 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.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Oct 12, 2011. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPM7M312M0202. The total value of the awarded contracts has been US$ 117.25.
This NSN is unique to one weapons system.
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) 28308. 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 4320015259731 does not contain precious metals.
This information was last updated on Aug 01, 2025.