National Item Identification Number
00-921-3814
009213814
4140-00-921-3814
4140009213814
National Stock Number
Item Name
FAN,CENTRIFUGAL
Federal Supply Class
4140
Description
A nonpositive displacement mechanical device having a centrifugal fan impeller inclosed within a housing. It is designed to move air or gas over a wide range of volumes and pressures. The air or gas is drawn in axially and discharged radially or drawn in radially and discharged axially by centrifugal force through an outlet in the housing.
Commercial and Government Entity Code (Supplier Data)
D9182
72314
Reference Numbers (Part Numbers)
81306150
81306150
Required Categories
STYLE DESIGNATOR
WIDTH
LENGTH
OUTLET INSIDE DIAMETER
HEIGHT
MATERIAL
SURFA
Required Description
56A FIXED, INVERTED, ROUND OUTLET
3.344 INCHES NOMINAL
3.938 INCHES NOMINAL
1