National Stock Number
4140-00-684-0508
National Stock Number (NSN) 4140-00-684-0508, or NIIN 006840508, (fan,ventilating) has an unknown assigned date. NIIN 006840508 was cancelled on September 2, 1992, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 4140005902317. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
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.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4140006840508 does not contain precious metals.
This information was last updated on Aug 01, 2025.