National Item Identification Number
01-138-3877
011383877
4140-01-138-3877
4140011383877
National Stock Number
Item Name
FAN,VENTILATING
Federal Supply Class
4140
Description
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.
Commercial and Government Entity Code (Supplier Data)
19200
Reference Numbers (Part Numbers)
12303377
Required Categories
Required Description