The Fan,tubeaxial, cataloged under National Stock Number 4140-01-459-4761, 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 Leonardo S.p.a Land & Naval Defence Electronics Division. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-459-4761 |
| Primary Part Number | 71B409P001 |
| Item Name | Fan,tubeaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Leonardo S.p.a Land & Naval Defence Electronics Division |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 BASE |
| Speed Adjustments | SINGLE SPEED |
| Shaft Bearing Type | SLEEVE |
| Frequency in Hertz | 50.0 AND 60.0 |
| Inclosure Type | FULLY INCLOSED |
| Length | 1.500 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 220.0 AC |
| Flow Direction | INWARD |
| Drive Type | DIRECT |
| Style Designator | FIXED |
| Height | 5.920 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 3100.0 |
| Width | 6.750 INCHES NOMINAL IN |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | SLEEVE |
| Electrical Connection Type | WIRE LEAD |
| 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 |
|---|---|
| 71B409P001 | Leonardo S.p.a Land & Naval Defence Electronics Division (ITA) |
| Reference | Meaning |
|---|---|
| 035595 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4140-01-459-4761 is a Fan,tubeaxial, manufactured by Leonardo S.p.a Land & Naval Defence Electronics Division, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-459-4761 has 1 manufacturer part number on file: 71B409P001 (Leonardo S.p.a Land & Naval Defence Electronics Division).
Key specifications for 71B409P001: Mounting Facility Type and Quantity: 1 BASE; Speed Adjustments: SINGLE SPEED; Shaft Bearing Type: SLEEVE; Frequency in Hertz: 50.0 AND 60.0. 17 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.