The Fan,centrifugal, cataloged under National Stock Number 4140-00-522-2941, 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29 specifications, cited from the U.S. Government catalog. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-00-522-2941 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Status | ACTIVE |
| Outlet Location | BOTTOM OR TOP |
| Mounting Facility Type and Quantity | 8 THREADED HOLE(S) |
| Speed Adjustments | SINGLE SPEED |
| Phase | SINGLE |
| Inclosure Type | FULLY INCLOSED |
| Length | 6.310 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 115.0 AC |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 0.174 HORSEPOWER |
| Style Designator | FIXED, DUAL IMPELLER, ROUND OUTLET |
| Diameter | 3.000 INCHES NOMINAL IN |
| Ambient Temp at Full Rated Power | -54.0 CELSIUS AND 55.0 CELSIUS DEGC |
| Discharge Direction | ANGULAR DOWN AND ANGULAR UP AND HORIZONTAL AND VERTICAL DOWN AND VERTICAL UP |
| Height | 5.810 INCHES NOMINAL IN |
| Stage Quantity | 1 |
| Operating Speed at Rated Capacity in RPM | 5500.0 |
| Surface Treatment | ZINC BLADE |
| Surface Treatment | ENAMEL LUSTERLESS HOUSING INSIDE |
| Surface Treatment | ENAMEL LUSTERLESS HOUSING OUTSIDE |
| Environmental Protection | MOISTURE RESISTANT AND SHOCK PROOF AND VIBRATION PROOF |
| Width | 8.578 INCHES NOMINAL IN |
| Test Data Document | 13499-009-1920-010 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| Material | STEEL OVERALL |
| 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 | 214.0 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 |
|---|---|
| C7S4G-1 | 5/9 Secondary reference Ashland Electric Products Inc |
| DCPP-ND301CCW-397DF | 5/2 Secondary reference U.S. Government activity |
| 026876000 | 3/2 Design control — primary reference U.S. Government activity |
| 009-1920-010 | 5/9 Secondary reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| A0-75034 | 5/2 Secondary reference U.S. Government activity |
| DCPP-ND301CCW-397DA | 5/9 Secondary reference U.S. Government activity |
| 026876 | 5/9 Secondary reference U.S. Government activity |
NSN 4140-00-522-2941 is a Fan,centrifugal, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
Key specifications for 4140-00-522-2941: Outlet Location: BOTTOM OR TOP; Mounting Facility Type and Quantity: 8 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.