National Stock Number
4140-00-505-0312
National Stock Number (NSN) 4140-00-505-0312, or NIIN 005050312, (fan,tubeaxial) was assigned July 20, 1974 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 7 stock numbers. Five of the National Stock Numbers that it replaces are: 4140009994637, 5835001741366, 4140009146826, 4140004459307, 4140007316673.
There are 20 manufacturer part numbers associated with this NSN. 9 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 14 suppliers. Today, 10 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 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 May 23, 2018. 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: SPE8E918P0987. The total value of the awarded contracts has been US$ 9,574.80.
This NSN is very common among different weapons systems, belonging to 90 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 Apr 12, 2017, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The data or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. 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 4140005050312 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 Jul 01, 2025.