National Stock Number
4140-01-658-0029
National Stock Number (NSN) 4140-01-658-0029, or NIIN 016580029, (fan,centrifugal) was assigned September 8, 2016 in the Federal Logistics Information System (FLIS). 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 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, with the most recent procurement date of Jan 27, 2020. There have been 2 contracts issued for this part number, with 2 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE8E920V0600, SPE8E918P1213. The total value of the awarded contracts has been US$ 53,494.84.
This NSN is unique to one weapons system.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Nov 09, 2016, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 04254. [A NONPOSITIVE DISPLACEMENT MECHANICAL DEVICE HAVING A CENTRIFUGAL FAN IMPELLER INCLOSED WITHIN A HOUSING. IT IS DESIGNED TO MOVE AIR OR GAS OVER A WIDE RANGE OF VOLUMES AND PRESSURES. THE AIR OR GAS IS DRAWN IN AXIALLY AND DISCHARGED RADIALLY OR DRAWN IN RADIALLY AND DISCHARGED AXIALLY BY CENTRIFUGAL FORCE THROUGH AN OUTLET IN THE HOUSING.]. 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 4140016580029 does not contain precious metals.
This information was last updated on Jul 01, 2025.