Part Details | CENTRIFUGAL FAN
4140-01-055-2250 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.
Alternate Parts: BC3835B4, BC3835B-4, 027971, SMA775697, SM-A-775697, 4140-01-055-2250, 01-055-2250, 4140010552250, 010552250
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
41 | FEB 04, 1978 | 01-055-2250 | 04254 ( FAN, CENTRIFUGAL ) |
REFERENCE DRAWINGS & PICTURES
FIXED, RECTANGULAR OUTLETS

Cross Reference | NSN 4140-01-055-2250
Part Number | Cage Code | Manufacturer |
---|---|---|
BC3835B-4 | 04320 | CURTISS-WRIGHT CONTROLS INTEGRATEDSENSING, INC. |
027971 | 82877 | ROTRON INCORPORATEDDBA AMETEK ROTRON |
SM-A-775697 | 80063 | US ARMY COMMUNICATIONS &ELECTRONICS MATERIEL READINESS |
Technical Data | NSN 4140-01-055-2250
Characteristic | Specifications |
---|---|
STYLE DESIGNATOR | FIXED, RECTANGULAR OUTLETS |
WIDTH | 10.020 INCHES NOMINAL |
LENGTH | 7.220 INCHES NOMINAL |
OUTLET INSIDE WIDTH | 4.190 INCHES NOMINAL |
OUTLET INSIDE HEIGHT | 1.420 INCHES NOMINAL |
HEIGHT | 7.780 INCHES NOMINAL |
QUANTITY | 1 |
DRIVE TYPE | DIRECT |
ROTATION DIRECTION FOR WHICH DESIGNED | CLOCKWISE |
AIR FLOW RATE | 125.0 CUBIC FEET PER MINUTE NOMINAL |
STATIC PRESSURE AT SPECIFIED AIR FLOW RATE | 1.0 INCHES OF WATER |
DISCHARGE DIRECTION | VERTICAL UP |