The Fan,tubeaxial, cataloged under National Stock Number 4140-01-374-3178, 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 General Atomics Dba General Atomics Corp. Government technical data includes 22 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-374-3178 |
| Primary Part Number | MLTFT115ACN1876YF |
| Item Name | Fan,tubeaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | General Atomics Dba General Atomics Corp |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) |
| Speed Adjustments | SINGLE SPEED |
| Phase | SINGLE |
| Frequency in Hertz | 60.0 |
| Inclosure Type | PARTIALLY INCLOSED |
| Voltage in Volts and Current Type | 115.0 AC |
| Flow Direction | OUTWARD |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 35.0 WATTS |
| Diameter | 6.750 INCHES NOMINAL IN |
| Ambient Temp at Full Rated Power | -54.0 CELSIUS AND 100.0 CELSIUS DEGC |
| Operating Speed at Rated Capacity in RPM | 3000.0 |
| Surface Treatment | ENAMEL LUSTERLESS OVERALL |
| Environmental Protection | CORROSION RESISTANT AND SHOCK PROOF |
| Width | 1.500 INCHES NOMINAL IN |
| Material | ALUMINUM OVERALL |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Electrical Connection Type | TERMINAL |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 223.0 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 |
|---|---|
| MLTFT115ACN1876YF PRIMARY | General Atomics Dba General Atomics Corp (USA) |
| Reference | Meaning |
|---|---|
| 035365000 | 3/2 Design control — primary reference U.S. Government activity |
| 6011979-003 | 5/9 Secondary reference Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc |
| 035365 | 5/9 Secondary reference U.S. Government activity |
NSN 4140-01-374-3178 is a Fan,tubeaxial, manufactured by General Atomics Dba General Atomics Corp, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-374-3178 has 1 manufacturer part number on file: MLTFT115ACN1876YF (General Atomics Dba General Atomics Corp).
Key specifications for MLTFT115ACN1876YF: Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S); Speed Adjustments: SINGLE SPEED; Phase: SINGLE; Frequency in Hertz: 60.0. 22 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.