National Stock Number
4140-12-322-3555
National Stock Number (NSN) 4140-12-322-3555, or NIIN 123223555, (fan,ventilating) has an unknown assigned date. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
This part number has been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 2 contracts issued for this part number, with 2 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE8E725V0440, SPE8EB14M7003. The total value of the awarded contracts has been US$ 4,557.19.
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) 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 information was last updated on Feb 06, 2026.