NSN 4140-01-254-1649
Part Details | CENTRIFUGAL FAN IMPELLER
4140-01-254-1649 An item with blades, vanes, or paddles equally spaced radially or horizontally around the periphery of a hub, rotor, or wheel. It is the rotating part of a centrifugal fan, electric motor, generator and the like which creates a flow of air or gas perpendicular to the axis of rotation.
Alternate Parts: 741561, 74156-1, 741561, 74156-1, 741561, 74156-1, 4140-01-254-1649, 01-254-1649, 4140012541649, 012541649
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
41 | MAY 02, 1987 | 01-254-1649 | 10088 ( IMPELLER, FAN, CENTRIFUGAL ) |
REFERENCE DRAWINGS & PICTURES
STRAIGHT RADIAL W/ BACK PLATE

Cross Reference | NSN 4140-01-254-1649
Part Number | Cage Code | Manufacturer |
---|---|---|
74156-1 | 5RQL2 | DRS ENVIRONMENTAL SYSTEMS, INC.DBA D R S |
74156-1 | 92878 | HDT EXPEDITIONARY SYSTEMS, INC. |
74156-1 | 94833 | KECO INDUSTRIES INC. |
Technical Data | NSN 4140-01-254-1649
Characteristic | Specifications |
---|---|
STYLE DESIGNATOR | STRAIGHT RADIAL W/ BACK PLATE |
WIDTH | 1.210 INCHES NOMINAL |
DIAMETER | 17.000 INCHES NOMINAL |
BLADE QUANTITY | 12 |
ATTACHMENT METHOD | SETSCREW |