National Stock Number
4140-00-478-0056
National Stock Number (NSN) 4140-00-478-0056, or NIIN 004780056, (fan,centrifugal) was assigned May 25, 1970 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. One of those 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, 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 Apr 08, 2015. 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: SPE8EB15V0817, SPE8EB15V0817, SPE8EB15V0817, SPE8EB15V0817. The total value of the awarded contracts has been US$ 5,658.28.
This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.
There has been very little 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 Jan 16, 2015, 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 4140004780056 contains an unknown precious metal.
This NSN is associated to Schedule B 8414599080: fans, nesoi. The Schedule B End Use is listed as household appliances.
This information was last updated on Jul 01, 2025.