National Item Identification Number

01-251-9355
012519355
4140-01-251-9355
4140012519355

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)

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39428

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39428

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39428

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Reference Numbers (Part Numbers)

2011K11
2011K12
2011K31

Required Categories

STYLE DESIGNATOR
WIDTH
HEIGHT
MATERIAL
DRIVE TYPE
PRIME MOVER TYPE
PRIME M

Required Description

46 FIXED
20.500 INCHES NOMINAL
20.500 INCHES NOMINAL
ALUMINUM OVERALL
DIRECT