The Fan,centrifugal, cataloged under National Stock Number 4140-00-248-9441, is classified within Federal Supply Class 4140 (Fans, Air Circulators, and Blower Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. Government technical data includes 29 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-00-248-9441 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Status | ACTIVE |
| Outlet Location | BOTTOMBOTTOM |
| Speed Adjustments | SINGLE SPEEDSINGLE SPEED |
| Inclosure Type | FULLY INCLOSEDFULLY INCLOSED |
| Length | 43.812 INCHES NOMINAL43.812 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 230.0 DC230.0 DC |
| Drive Type | DIRECTDIRECT |
| Prime Mover Power Rating | 25.000 HORSEPOWER25.000 HORSEPOWER |
| Outlet Inside Diameter | 21.000 INCHES NOMINAL21.000 INCHES NOMINAL IN |
| Quantity | 11 |
| Style Designator | FIXED,INVERTED,ROUND OUTLETFIXED,INVERTED,ROUND OUTLET |
| Ambient Temp at Full Rated Power | 65.0 CELSIUS65.0 CELSIUS DEGC |
| Discharge Direction | VERTICAL DOWNVERTICAL DOWN |
| Height | 41.688 INCHES NOMINAL41.688 INCHES NOMINAL IN |
| Stage Quantity | 11 |
| Operating Speed at Rated Capacity in RPM | 2560.02560.0 |
| Surface Treatment | ZINC BLADEZINC BLADE |
| Surface Treatment | ZINC HOUSING INSIDEZINC HOUSING INSIDE |
| Surface Treatment | ZINC HOUSING OUTSIDEZINC HOUSING OUTSIDE |
| Environmental Protection | DRIPPROOFDRIPPROOF |
| Width | 43.314 INCHES NOMINAL43.314 INCHES NOMINAL IN |
| Material | STEEL BLADE |
| Material | STEEL HOUSING |
| Prime Mover Type | ELECTRIC MOTORELECTRIC MOTOR |
| Rotation Direction for Which Designed | COUNTERCLOCKWISECOUNTERCLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | BALLBALL |
| Electrical Connection Type | TERMINAL BLOCKTERMINAL BLOCK |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY AJLGAS DIFFERENTIATED BY AJLG |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 7900.000 CUBIC FEET PER MINUTE NOMINAL7900.000 CUBIC FEET PER MINUTE NOMINAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| S3801-3120140 | 5/1 Secondary reference U.S. Government activity |
| K15517 | 3/9 Design control — primary reference Howden Buffalo, Inc Div Howden Gyrol Fluid Drives |
NSN 4140-00-248-9441 is a Fan,centrifugal, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
Key specifications for 4140-00-248-9441: Outlet Location: BOTTOMBOTTOM; Speed Adjustments: SINGLE SPEEDSINGLE SPEED; Inclosure Type: FULLY INCLOSEDFULLY INCLOSED; Length: 43.812 INCHES NOMINAL43.812 INCHES NOMINAL IN. 29 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.