National Stock Number
4310-01-559-7640
National Stock Number (NSN) 4310-01-559-7640, or NIIN 015597640, (vacuum pump,rotary) was assigned January 4, 2008 in the Federal Logistics Information System (FLIS). NIIN 015597640 was cancelled on June 2, 2012, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 4310014763121. This NSN does not replace any other NSNs.
There are 3 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, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is 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 08, 2010. 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: SPM7M011M0163, SPM7M011M0163. The total value of the awarded contracts has been US$ 57,077.02.
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) 29903. [A VACUUM PUMP USED TO CREATE EXTREMELY LOW PRESSURE BY MEANS OF A ROTATING ELEMENT(S) IN AN ENCLOSURE. IT IS DESIGNED TO BE DRIVEN MANUALLY OR BY A PRIME MOVER WHICH IS NOT AN INTEGRAL PART OF THE PUMP. IT MAY INCLUDE A VACUUM STORAGE TANK(S) AND VARIOUS PERIPHERAL COMPONENTS SUCH AS DRIVEN PULLEYS.]. 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 4310015597640 does not contain precious metals.
This information was last updated on Jul 01, 2025.