National Item Identification Number
National Stock Number
Federal Supply Class
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.
Commercial and Government Entity Code (Supplier Data)
Reference Numbers (Part Numbers)
FAN ITEM NO. 657