NSN 4140-01-257-1089
Part Details | CENTRIFUGAL FAN IMPELLER
4140-01-257-1089 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: 2345, 234-5, 2340.5, 234-0.5, 4140-01-257-1089, 01-257-1089, 4140012571089, 012571089
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
41 | JUN 12, 1987 | 01-257-1089 | 10088 ( IMPELLER, FAN, CENTRIFUGAL ) |
REFERENCE DRAWINGS & PICTURES
CURVED BLADES SINGLE WIDTH

Cross Reference | NSN 4140-01-257-1089
Part Number | Cage Code | Manufacturer |
---|---|---|
234-5 | 84768 | HARVEY SID INC |
234-0.5 | 84768 | HARVEY SID INC |
Technical Data | NSN 4140-01-257-1089
Characteristic | Specifications |
---|---|
STYLE DESIGNATOR | CURVED BLADES SINGLE WIDTH |
WIDTH | 3.750 INCHES NOMINAL |
DIAMETER | 6.250 INCHES NOMINAL |
BLADE QUANTITY | 42 |
ROTATION DIRECTION FOR WHICH DESIGNED | CLOCKWISE |
SPECIAL FEATURES | 234-5 IS A SID HARVEY PART NUMBER FOR A CARLIN BURNER FAN FOR CARLIN MODEL 600 AND 700 BURNERS FAN DIAMETER 6-5/16" WIDTH 5". |
END ITEM IDENTIFICATION | SID HARVEY OIL BURNER MODEL 701 CRD |