The Fan,vaneaxial, cataloged under National Stock Number 4140-00-778-8790, 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 21 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-00-778-8790 |
| Primary Part Number | 9172275 |
| Item Name | Fan,vaneaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 8 UNTHREADED HOLE(S) |
| Speed Adjustments | SINGLE SPEED |
| Phase | SINGLE |
| Frequency in Hertz | 400.0 |
| Inclosure Type | FULLY INCLOSED |
| Length | 3.562 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 115.0 AC |
| Flow Direction | INWARD |
| Housing Inside Diameter | 4.500 INCHES NOMINAL IN |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 0.150 HORSEPOWER |
| Style Designator | FIXED |
| Operating Speed at Rated Capacity in RPM | 11300.0 |
| Surface Treatment | CHROMATE ZINC OVERALL |
| Environmental Protection | SALT SPRAY RESISTANT AND SHOCK PROOF AND VIBRATION PROOF |
| Material | MAGNESIUM OVERALL |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | CLOCKWISE |
| Electrical Connection Type | WIRE LEAD |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 140.0 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 |
|---|---|
| 9172275 PRIMARY | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| X702-257B | 5/9 Secondary reference U.S. Government activity |
| X702-257B | 5/9 Secondary reference Rtx Corporation Div Pratt & Whitney |
NSN 4140-00-778-8790 is a Fan,vaneaxial, manufactured by Us Army Aviation and Missile Command, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-00-778-8790 has 1 manufacturer part number on file: 9172275 (Us Army Aviation and Missile Command).
Key specifications for 9172275: Mounting Facility Type and Quantity: 8 UNTHREADED HOLE(S); Speed Adjustments: SINGLE SPEED; Phase: SINGLE; Frequency in Hertz: 400.0. 21 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.