National Item Identification Number
00-051-2604
000512604
4140-00-051-2604
4140000512604
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)
88818
Reference Numbers (Part Numbers)
A1221-31V
Required Categories
STYLE DESIGNATOR
LENGTH
HOUSING INSIDE DIAMETER
MATERIAL
SURFACE TREATMENT;
Required Description
32 FIXED
2.890 INCHES NOMINAL
2.265 INCHES NOMINAL
ALUMINUM ALLOY BLADE
ANOD