NSN 4140-01-304-0868
Part Details | CENTRIFUGAL FAN
4140-01-304-0868 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: 5251123, 525112-3, 5251113, 525111-3, CLASSIII BD CW UB SZ 2225, 4140-01-304-0868, 01-304-0868, 4140013040868, 013040868
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
41 | JUL 12, 1989 | 01-304-0868 | 04254 ( FAN, CENTRIFUGAL ) |
REFERENCE DRAWINGS & PICTURES
FIXED, RECTANGULAR OUTLETS

Cross Reference | NSN 4140-01-304-0868
Part Number | Cage Code | Manufacturer |
---|---|---|
525112-3 | 75477 | HOWDEN NORTH AMERICA INC.DBA HOWDEN NORTH AMERICA |
525111-3 | 75477 | HOWDEN NORTH AMERICA INC.DBA HOWDEN NORTH AMERICA |
CLASSIII BD CW UB SZ 2225 | 75477 | HOWDEN NORTH AMERICA INC.DBA HOWDEN NORTH AMERICA |
Technical Data | NSN 4140-01-304-0868
Characteristic | Specifications |
---|---|
STYLE DESIGNATOR | FIXED, RECTANGULAR OUTLETS |
WIDTH | 53.250 INCHES NOMINAL |
LENGTH | 40.000 INCHES NOMINAL |
OUTLET INSIDE WIDTH | 17.125 INCHES NOMINAL |
OUTLET INSIDE HEIGHT | 23.937 INCHES NOMINAL |
HEIGHT | 44.891 INCHES NOMINAL |
DRIVE TYPE | BELT |
SHAFT BEARING TYPE | BALL |
ROTATION DIRECTION FOR WHICH DESIGNED | CLOCKWISE |
PRIME MOVER TYPE | ELECTRIC MOTOR |
SPEED ADJUSTMENTS | SINGLE SPEED |
INCLOSURE TYPE | FULLY INCLOSED |
PRIME MOVER POWER RATING | 20.000 HORSEPOWER |
OPERATING SPEED AT RATED CAPACITY IN RPM | 2550.0 |
MOUNTING FACILITY TYPE AND QUANTITY | 4 BASE PLATE |
OUTLET LOCATION | TOP |
DISCHARGE DIRECTION | VERTICAL UP |
FEATURES PROVIDED | FLANGED AIR INLET |