National Stock Number
4140-00-255-7801
National Stock Number (NSN) 4140-00-255-7801, or NIIN 002557801, (fan,circulating) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 4140008244517.
There are 3 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 2 suppliers. Today, 2 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. 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.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.
This NSN is assigned to Item Name Code (INC) 30260. [A NONPOSITIVE DISPLACEMENT MECHANICAL DEVICE HAVING AN AXIAL FAN IMPELLER WITH OR WITHOUT A PROTECTIVE ENCLOSURE. IT IS DESIGNED TO CIRCULATE AIR UNDER FREE-AIRFLOW CONDITIONS, AND MAY BE EQUIPPED WITH A BAFFLE(S) TO DEFLECT THE AIR RADIALLY. IT MAY BE SUSPENDED FROM THE CEILING, ATTACHED TO THE WALL, OR STAND ON A HORIZONTAL SURFACE.]. 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 4140002557801 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 Aug 01, 2025.