National Stock Number (NSN) 4140-01-055-4705, or NIIN 010554705, (fan,tubeaxial) was assigned February 6, 1978 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 6 stock numbers. Five of the National Stock Numbers that it replaces are: 4140012714018, 4140013274566, 4140012360099, 4140012418213, 4140010504467.
There are 29 manufacturer part numbers associated with this NSN. 19 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 19 suppliers. Today, 14 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Jan 31, 2017. There have been 8 contracts issued for this part number, with 8 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 5 different suppliers. The last contract numbers awarded were: SPE8EB17P0442, SPE8E816M0333, SPE8EB16V0956, SPE8EB15V0756, SPE8EB14V1546. The total value of the awarded contracts has been US$ 29,068.78.
This NSN is very common among different weapons systems, belonging to 86 different platforms.
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 Jun 04, 2010, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 04244. [A NONPOSITIVE DISPLACEMENT MECHANICAL DEVICE WITHOUT GUIDE VANES AND HAVING AN AXIAL FAN IMPELLER INCLOSED WITHIN A TUBULAR HOUSING. IT IS DESIGNED PRIMARILY FOR DUCT INSTALLATION TO MOVE AIR OR GAS AXIALLY OVER A WIDE RANGE OF VOLUMES AT MEDIUM PRESSURES.]. 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 4140010554705 does not contain precious metals.
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 Jun 01, 2025.