The Fan,vaneaxial, cataloged under National Stock Number 4140-01-424-9959, 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 10 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-424-9959 |
| Primary Part Number | MCD-5775-1 (BLADE SET 54) |
| Item Name | Fan,vaneaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Fm Af, Llc Dba American Fan Company |
| Status | ACTIVE |
| Phase | THREE |
| Frequency in Hertz | 60.0 |
| Voltage in Volts and Current Type | 440.0 AC |
| Flow Direction | INWARD |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 15.000 HORSEPOWER |
| Ambient Temp at Full Rated Power | 40.0 CELSIUS DEGC |
| Operating Speed at Rated Capacity in RPM | 3600.0 |
| Prime Mover Type | ELECTRIC MOTOR |
| Air Flow Rate | 6450.0 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 |
|---|---|
| MCD-5775-1 (BLADE SET 54) PRIMARY | Fm Af, Llc Dba American Fan Company (USA) |
| Reference | Meaning |
|---|---|
| B60179-1 | 5/9 Secondary reference Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. |
| B5775-1 | 3/1 Design control — primary reference Fm Af, Llc Dba American Fan Company |
| B60160 | 5/1 Secondary reference Fm Af, Llc Dba American Fan Company |
| B5775-1 | 5/9 Secondary reference Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. |
| MCD-5775-1 (BLADE SET 54) | 5/9 Secondary reference Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. |
| B60179-1 | 5/1 Secondary reference Fm Af, Llc Dba American Fan Company |
| B60160 | 5/9 Secondary reference Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. |
NSN 4140-01-424-9959 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 4140-01-424-9959 has 1 manufacturer part number on file: MCD-5775-1 (BLADE SET 54) (Fm Af, Llc Dba American Fan Company).
1 possible match (shared part number, not a government interchangeability claim): 4140-01-424-9963. Verify interchangeability with system specifications before substitution.
Key specifications for MCD-5775-1 (BLADE SET 54): Phase: THREE; Frequency in Hertz: 60.0; Voltage in Volts and Current Type: 440.0 AC; Flow Direction: INWARD. 10 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.