The Fan,centrifugal, cataloged under National Stock Number 4140-00-482-7148, is classified within Federal Supply Class 4140 (Fans, Air Circulators, and Blower Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is The Dewey Electronics Corporation. Government technical data includes 30 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-00-482-7148 |
| Primary Part Number | 40602-501 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | The Dewey Electronics Corporation |
| Status | ACTIVE |
| Outlet Location | TOP |
| Mounting Facility Type and Quantity | 4 THREADED HOLE(S) |
| Speed Adjustments | SINGLE SPEED |
| Phase | SINGLE |
| Inclosure Type | PARTIALLY INCLOSED |
| Outlet Inside Height | 2.620 INCHES NOMINAL IN |
| Length | 5.560 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 115.0 AC |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 56.000 WATTS |
| Style Designator | FIXED, RECTANGULAR OUTLETS |
| Features Provided | NONSPARKING |
| Ambient Temp at Full Rated Power | -62.0 CELSIUS AND 75.0 CELSIUS DEGC |
| Discharge Direction | VERTICAL UP |
| Outlet Inside Width | 2.050 INCHES NOMINAL IN |
| Height | 5.000 INCHES NOMINAL IN |
| Stage Quantity | 1 |
| Operating Speed at Rated Capacity in RPM | 3350.0 |
| Surface Treatment | ZINC HOUSING INSIDE |
| Surface Treatment | ZINC BLADE |
| Surface Treatment | ZINC HOUSING OUTSIDE |
| Environmental Protection | MOISTURE RESISTANT |
| Width | 6.030 INCHES NOMINAL IN |
| Material | ALUMINUM BLADE |
| Material | ALUMINUM 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 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 40602-501 | The Dewey Electronics Corporation (USA) |
| Reference | Meaning |
|---|---|
| DRFP-KPS 303 CW 646XF | 5/2 Secondary reference U.S. Government activity |
| A076960 | 5/9 Secondary reference U.S. Government activity |
| DPFP-KPS303-646XF | 5/9 Secondary reference U.S. Government activity |
| 021754 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4140-00-482-7148 is a Fan,centrifugal, manufactured by The Dewey Electronics Corporation, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-00-482-7148 has 1 manufacturer part number on file: 40602-501 (The Dewey Electronics Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 6530-01-502-8459, 6150-01-707-9908. Verify interchangeability with system specifications before substitution.
Key specifications for 40602-501: Outlet Location: TOP; Mounting Facility Type and Quantity: 4 THREADED HOLE(S); Speed Adjustments: SINGLE SPEED; Phase: SINGLE. 30 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.