The Fan,tubeaxial, cataloged under National Stock Number 4140-01-439-7530, 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 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4140-01-439-7530 |
| Primary Part Number | 71B402P002 |
| 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 | 8 UNTHREADED HOLE(S) |
| Speed Adjustments | SINGLE SPEED |
| Phase | SINGLE |
| Frequency in Hertz | 50.0 |
| Inclosure Type | FULLY INCLOSED |
| Length | 1.500 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 220.0 AC |
| Housing Inside Diameter | 4.500 INCHES NOMINAL IN |
| Drive Type | DIRECT |
| Style Designator | FIXED |
| Ambient Temp at Full Rated Power | 100.0 CELSIUS DEGC |
| Height | 4.690 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 2750.0 |
| Width | 4.690 INCHES NOMINAL IN |
| Material | PLASTIC POLYCARBONATE BLADE |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Electrical Connection Type | CONNECTOR |
| 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 |
|---|---|
| 71B402P002 | Leonardo S.p.a Land & Naval Defence Electronics Division (ITA) |
| Reference | Meaning |
|---|---|
| SPTSM220ACS765NF | 3/2 Design control — primary reference U.S. Government activity |
NSN 4140-01-439-7530 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 4140-01-439-7530 has 1 manufacturer part number on file: 71B402P002 (Leonardo S.p.a Land & Naval Defence Electronics Division).
Key specifications for 71B402P002: Mounting Facility Type and Quantity: 8 UNTHREADED HOLE(S); Speed Adjustments: SINGLE SPEED; Phase: SINGLE; Frequency in Hertz: 50.0. 18 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.