The Fan,tubeaxial, cataloged under National Stock Number 4140-01-511-0270, 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 25 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-511-0270 |
| Primary Part Number | 4300475 |
| 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 | 4 UNTHREADED HOLE(S) |
| Speed Adjustments | SINGLE SPEED |
| Phase | SINGLE |
| Frequency in Hertz | 50.0 AND 60.0 |
| Inclosure Type | PARTIALLY INCLOSED |
| Length | 1.500 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 115.0 AC |
| Flow Direction | INWARD |
| Housing Inside Diameter | 4.130 INCHES NOMINAL IN |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 5.5 WATTS AND 6.0 WATTS |
| Style Designator | FIXED |
| Ambient Temp at Full Rated Power | -40.0 FAHRENHEIT AND 150.0 FAHRENHEIT DEGF |
| Height | 4.690 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 1350.0 AND 1450.0 |
| Environmental Protection | CORROSION RESISTANT AND MOISTURE RESISTANT |
| Width | 4.690 INCHES NOMINAL IN |
| Material | PLASTIC BLADE |
| Material | ALUMINUM HOUSING |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | CLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Electrical Connection Type | TERMINAL |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 46.0 CUBIC FEET PER MINUTE MINIMUM AND 49.0 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 |
|---|---|
| 4300475 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| A47-B15A-15T1-000 | Globe Motors, Inc. Dba Allient Dayton (USA) |
NSN 4140-01-511-0270 is a Fan,tubeaxial, manufactured by Northrop Grumman Systems Corporation, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-511-0270 has 2 manufacturer part numbers on file: 4300475 (Northrop Grumman Systems Corporation), A47-B15A-15T1-000 (Globe Motors, Inc. Dba Allient Dayton).
Key specifications for 4300475: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S); Speed Adjustments: SINGLE SPEED; Phase: SINGLE; Frequency in Hertz: 50.0 AND 60.0. 25 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.