National Stock Number
4140-00-250-5142
National Stock Number (NSN) 4140-00-250-5142, or NIIN 002505142, (fan,ventilating) was assigned November 19, 1969 in the Federal Logistics Information System (FLIS). NIIN 002505142 was cancelled on March 3, 2005, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. This NSN replaces 2 stock numbers: 4140008362468, 4140008087629.
There are 7 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, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that are 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) 04262. [A NONPOSITIVE DISPLACEMENT MECHANICAL DEVICE HAVING EITHER AN AXIAL OR CENTRIFUGAL FAN IMPELLER. IT IS DESIGNED TO MOVE FREE AIR OR GAS FROM INDOORS TO OUTDOORS OR VICE VERSA OVER A WIDE RANGE OF VOLUMES AT LOW PRESSURES. IT IS SUPPORTED BY A RING, PLATE, OR SHROUD OR MAY BE INCLOSED IN A HOUSING. IT IS DESIGNED FOR INSTALLATION IN A WINDOW, ROOF OR WALL OPENING, OR THE LIKE.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4140002505142 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.