The Fan,centrifugal, cataloged under National Stock Number 4140-01-063-0551, 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 26 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-063-0551 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Status | ACTIVE |
| Outlet Location | BOTTOM |
| Mounting Facility Type and Quantity | 8 UNTHREADED HOLE(S) |
| Speed Adjustments | SINGLE SPEED |
| Phase | THREE |
| Frequency in Hertz | 400.0 |
| Inclosure Type | FULLY INCLOSED |
| Outlet Inside Height | 2.660 INCHES NOMINAL IN |
| Length | 6.250 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 208.0 AC |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 0.394 HORSEPOWER |
| Style Designator | FIXED, DUAL IMPELLER, RECTANGULAR OUTLET |
| Ambient Temp at Full Rated Power | -65.0 CELSIUS AND 130.0 CELSIUS DEGC |
| Discharge Direction | HORIZONTAL |
| Outlet Inside Width | 4.000 INCHES NOMINAL IN |
| Height | 6.875 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 3500.0 |
| Surface Treatment | PAINT HOUSING |
| Width | 12.625 INCHES NOMINAL IN |
| Material | STEEL HOUSING |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | CLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Electrical Connection Type | WIRE LEAD |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 480.0 CUBIC FEET PER MINUTE MAXIMUM |
| 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 |
|---|---|
| DRFP-PD3504CCW-270WFLC | 5/9 Secondary reference U.S. Government activity |
| DRFP-PD3504 CCW-270WS | 5/9 Secondary reference U.S. Government activity |
| 025931 | 5/9 Secondary reference U.S. Government activity |
| DRFP-PD 3504 CCW270WF | 5/1 Secondary reference U.S. Government activity |
| A0-A2933 | 3/2 Design control — primary reference U.S. Government activity |
| 025823 | 5/9 Secondary reference U.S. Government activity |
NSN 4140-01-063-0551 is a Fan,centrifugal, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
Key specifications for 4140-01-063-0551: Outlet Location: BOTTOM; Mounting Facility Type and Quantity: 8 UNTHREADED HOLE(S); Speed Adjustments: SINGLE SPEED; Phase: THREE. 26 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.