The Fan,tubeaxial, cataloged under National Stock Number 4140-01-459-4477, 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 Northrop Grumman Systems Corporation. Government technical data includes 13 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-459-4477 |
| Primary Part Number | CN1808916 |
| Item Name | Fan,tubeaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 8 UNTHREADED HOLE(S) |
| Frequency in Hertz | 50.0 AND 60.0 |
| Length | 1.490 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 230.0 AC |
| Flow Direction | INWARD |
| Housing Inside Diameter | 4.125 INCHES NOMINAL IN |
| Drive Type | DIRECT |
| Style Designator | FIXED |
| Height | 4.700 INCHES NOMINAL IN |
| Width | 4.470 INCHES NOMINAL IN |
| Material | STEEL BLADE |
| Material | ALUMINUM HOUSING |
| Rotation Direction for Which Designed | CLOCKWISE |
| 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 |
|---|---|
| CN1808916 PRIMARY | Northrop Grumman Systems Corporation (USA) |
NSN 4140-01-459-4477 is a Fan,tubeaxial, manufactured by Northrop Grumman Systems Corporation, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-459-4477 has 1 manufacturer part number on file: CN1808916 (Northrop Grumman Systems Corporation).
Key specifications for CN1808916: Mounting Facility Type and Quantity: 8 UNTHREADED HOLE(S); Frequency in Hertz: 50.0 AND 60.0; Length: 1.490 INCHES NOMINAL IN; Voltage in Volts and Current Type: 230.0 AC. 13 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.