The Fan,centrifugal, cataloged under National Stock Number 4140-00-421-9772, 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 18 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-00-421-9772 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Status | ACTIVE |
| Speed Adjustments | SINGLE SPEED |
| Phase | SINGLE |
| Inclosure Type | PARTIALLY INCLOSED |
| Voltage in Volts and Current Type | 115.0 AC |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 0.191 HORSEPOWER |
| Quantity | 1 |
| Diameter | 3.750 INCHES NOMINAL IN |
| Ambient Temp at Full Rated Power | -54.0 CELSIUS AND 65.0 CELSIUS DEGC |
| Discharge Direction | VERTICAL UP |
| Operating Speed at Rated Capacity in RPM | 3035.0 |
| Material | PLASTIC POLYCARBONATE BLADE |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Electrical Connection Type | WIRE LEAD |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 240.0 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 |
|---|---|
| 025814 | 3/2 Design control — primary reference U.S. Government activity |
| CENTRAXIAL GE4-329AF | 5/9 Secondary reference U.S. Government activity |
| 009-0194-010REVA | C/1 Advisory reference — outside the item-of-supply concept Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| 009-0194-010 | 5/9 Secondary reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| GEF4-329AF | 5/1 Secondary reference U.S. Government activity |
NSN 4140-00-421-9772 is a Fan,centrifugal, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
Key specifications for 4140-00-421-9772: Speed Adjustments: SINGLE SPEED; Phase: SINGLE; Inclosure Type: PARTIALLY INCLOSED; Voltage in Volts and Current Type: 115.0 AC. 18 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.