The Fan,centrifugal, cataloged under National Stock Number 4140-00-034-7935, 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 23 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-00-034-7935 |
| Primary Part Number | 8176509 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Outlet Location | BOTTOM AND TOP |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) |
| Speed Adjustments | TWO SPEED |
| Phase | SINGLE |
| Frequency in Hertz | 400.0 |
| Inclosure Type | FULLY INCLOSED |
| Outlet Inside Height | 1.187 INCHES NOMINAL IN |
| Length | 2.875 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 115.0 AC |
| Drive Type | DIRECT |
| Style Designator | FIXED, RECTANGULAR OUTLETS |
| Ambient Temp at Full Rated Power | 12.0 CELSIUS DEGC |
| Discharge Direction | ANGULAR DOWN AND ANGULAR UP AND HORIZONTAL AND VERTICAL DOWN AND VERTICAL UP |
| Outlet Inside Width | 0.922 INCHES NOMINAL IN |
| Height | 3.000 INCHES NOMINAL IN |
| Stage Quantity | 1 |
| Operating Speed at Rated Capacity in RPM | 7200.0 |
| Width | 3.984 INCHES NOMINAL IN |
| Material | ALUMINUM OVERALL |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | CLOCKWISE |
| Electrical Connection Type | WIRE LEAD |
| Air Flow Rate | 11.000 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 |
|---|---|
| 8176509 PRIMARY | Us Army Aviation and Missile Command (USA) |
| 8176509 | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| Reference | Meaning |
|---|---|
| A15BF-6 | 5/2 Secondary reference U.S. Government activity |
| 8176509 | 5/9 Secondary reference American Telephone and Telegraph Co |
NSN 4140-00-034-7935 is a Fan,centrifugal, manufactured by Us Army Aviation and Missile Command, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-00-034-7935 has 2 manufacturer part numbers on file: 8176509 (Us Army Aviation and Missile Command), 8176509 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 8176509: Outlet Location: BOTTOM AND TOP; Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S); Speed Adjustments: TWO SPEED; Phase: SINGLE. 23 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.