The Fan,centrifugal, cataloged under National Stock Number 4140-01-601-1901, 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 Boeing Company. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4140-01-601-1901 |
| Primary Part Number | 901-325-118-107 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Length | 9.00 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 1950.0 AC |
| Special Test Features | MAXIMUM WEIGHT: 10.5LBS LBS |
| Shortest Height | 4.250 INCHES NOMINAL IN |
| Ambient Temp at Full Rated Power | -54.0 CELSIUS AND 71.0 CELSIUS DEGC |
| Air Flow Rate | 50.00 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 |
| Part Number | Manufacturer |
|---|---|
| 901-325-118 | The Boeing Company (USA) |
| 901-325-118-107 PRIMARY | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 49640-2 | C/1 Advisory reference — outside the item-of-supply concept Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc |
| 49640-2 | 5/9 Secondary reference Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. |
NSN 4140-01-601-1901 is a Fan,centrifugal, manufactured by The Boeing Company, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-601-1901 has 2 manufacturer part numbers on file: 901-325-118 (The Boeing Company), 901-325-118-107 (The Boeing Company).
1 possible match (shared part number, not a government interchangeability claim): 4140-01-669-2766. Verify interchangeability with system specifications before substitution.
Key specifications for 901-325-118-107: Length: 9.00 INCHES NOMINAL IN; Voltage in Volts and Current Type: 1950.0 AC; Special Test Features: MAXIMUM WEIGHT: 10.5LBS LBS; Shortest Height: 4.250 INCHES NOMINAL IN. 6 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.