The Fan,tubeaxial, cataloged under National Stock Number 4140-01-020-1116, 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 Us Army Aviation and Missile Command. Government technical data includes 27 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4140-01-020-1116 |
| Primary Part Number | 11454051-1 |
| Item Name | Fan,tubeaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 FLANGE |
| Speed Adjustments | SINGLE SPEED |
| Phase | THREE |
| Frequency in Hertz | 400.0 |
| Inclosure Type | FULLY INCLOSED |
| Length | 1.500 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 200.0 AC |
| Flow Direction | INWARD |
| Surface Treatment Document and Classification | MIL-E-5557,TYPE 4 MIL SPEC SINGLE TREATMENT RESPONSE HOUSING |
| Housing Inside Diameter | 4.125 INCHES NOMINAL IN |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 0.049 HORSEPOWER |
| Style Designator | FIXED |
| Diameter | 4.300 INCHES NOMINAL IN |
| Ambient Temp at Full Rated Power | 100.0 CELSIUS DEGC |
| Height | 4.690 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 5350.0 |
| Surface Treatment | ENAMEL HOUSING |
| Width | 4.690 INCHES NOMINAL IN |
| Material | ALUMINUM HOUSING |
| Material | PLASTIC POLYCARBONATE BLADE |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Electrical Connection Type | CONNECTOR RECEPTACLE |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 185.000 CUBIC FEET PER MINUTE NOMINAL |
| 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 |
|---|---|
| 11454051-1 | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| SPARTAN SM942WS | 5/9 Secondary reference U.S. Government activity |
| 023592 | 5/9 Secondary reference U.S. Government activity |
| A0-23592 | 5/2 Secondary reference U.S. Government activity |
| 4140PL2089695 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| SPARTAN SM 942WF | 5/1 Secondary reference U.S. Government activity |
| 023592000 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4140-01-020-1116 is a Fan,tubeaxial, manufactured by Us Army Aviation and Missile Command, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-020-1116 has 1 manufacturer part number on file: 11454051-1 (Us Army Aviation and Missile Command).
1 possible match (shared part number, not a government interchangeability claim): 4140-01-151-7047. Verify interchangeability with system specifications before substitution.
Key specifications for 11454051-1: Mounting Facility Type and Quantity: 2 FLANGE; Speed Adjustments: SINGLE SPEED; Phase: THREE; Frequency in Hertz: 400.0. 27 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.