National Stock Number
4140-00-437-3778
National Stock Number (NSN) 4140-00-437-3778, or NIIN 004373778, (fan,tubeaxial) was assigned September 26, 2007 in the Federal Logistics Information System (FLIS). NIIN 004373778 was cancelled on December 15, 2017, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. 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.
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.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4140004373778 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.