The Fan,centrifugal, cataloged under National Stock Number 4140-00-482-9221, 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29 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-00-482-9221 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Status | ACTIVE |
| Outlet Location | TOP |
| Mounting Facility Type and Quantity | 4 THREADED HOLE(S) |
| Speed Adjustments | SINGLE SPEED |
| Phase | SINGLE |
| Inclosure Type | FULLY INCLOSED |
| Outlet Inside Height | 2.060 INCHES NOMINAL IN |
| Length | 4.470 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 115.0 AC |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 0.084 HORSEPOWER |
| Quantity | 1 |
| Style Designator | FIXED, RECTANGULAR OUTLETS |
| Diameter | 2.500 INCHES NOMINAL IN |
| Ambient Temp at Full Rated Power | -25.0 FAHRENHEIT AND 135.0 FAHRENHEIT DEGF |
| Discharge Direction | VERTICAL UP |
| Outlet Inside Width | 1.920 INCHES NOMINAL IN |
| Height | 4.810 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 5900.0 |
| Surface Treatment | ENAMEL HOUSING OUTSIDE |
| Surface Treatment | ENAMEL HOUSING INSIDE |
| Environmental Protection | MOISTURE RESISTANT |
| Width | 5.600 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Electrical Connection Type | TERMINAL BLOCK |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 85.0 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 |
|---|---|
| A0-19874 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4140-00-482-9221 is a Fan,centrifugal, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
Key specifications for 4140-00-482-9221: Outlet Location: TOP; Mounting Facility Type and Quantity: 4 THREADED HOLE(S); Speed Adjustments: SINGLE SPEED; Phase: SINGLE. 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.