The Fan,vaneaxial, cataloged under National Stock Number 4140-01-181-4476, 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 Fm Af, Llc Dba American Fan Company. Government technical data includes 25 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-181-4476 |
| Primary Part Number | 525099-019 |
| Item Name | Fan,vaneaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Fm Af, Llc Dba American Fan Company |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 FLANGE AND 40 UNTHREADED HOLE(S) |
| Speed Adjustments | TWO SPEED |
| Phase | THREE |
| Frequency in Hertz | 60.0 |
| Inclosure Type | FULLY INCLOSED |
| Length | 24.750 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 440.0 AC |
| Flow Direction | INWARD |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Housing Inside Diameter | 20.500 INCHES MINIMUM AND 20.510 INCHES MAXIMUM IN |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 15.000 HORSEPOWER |
| Style Designator | FIXED |
| Material Document and Classification | QQ-A-601 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Ambient Temp at Full Rated Power | 65.0 CELSIUS DEGC |
| Operating Speed at Rated Capacity in RPM | 3600.0 |
| Surface Treatment | ANODIZE OVERALL |
| Environmental Protection | SHOCK PROOF AND WATERTIGHT |
| Material | ALUMINUM ALLOY 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 | 12500.0 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 |
| Part Number | Manufacturer |
|---|---|
| 525099-019 PRIMARY | Fm Af, Llc Dba American Fan Company (USA) |
| FF17361/AVR205-150D2424A | Fm Af, Llc Dba American Fan Company (USA) |
| Reference | Meaning |
|---|---|
| FF12987/AVR205-150D2424A | 5/9 Secondary reference Fm Af, Llc Dba American Fan Company |
NSN 4140-01-181-4476 is a Fan,vaneaxial, manufactured by Fm Af, Llc Dba American Fan Company, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-181-4476 has 2 manufacturer part numbers on file: 525099-019 (Fm Af, Llc Dba American Fan Company), FF17361/AVR205-150D2424A (Fm Af, Llc Dba American Fan Company).
Key specifications for 525099-019: Mounting Facility Type and Quantity: 2 FLANGE AND 40 UNTHREADED HOLE(S); Speed Adjustments: TWO SPEED; Phase: THREE; Frequency in Hertz: 60.0. 25 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.