The Fan,centrifugal, cataloged under National Stock Number 4140-00-073-9866, is classified within Federal Supply Class 4140 (Fans, Air Circulators, and Blower Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. Government technical data includes 30 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-00-073-9866 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Status | ACTIVE |
| Outlet Location | TOP |
| Mounting Facility Type and Quantity | 4 THREADED HOLE(S) |
| Speed Adjustments | SINGLE SPEED |
| Phase | THREE |
| Inclosure Type | FULLY INCLOSED |
| Outlet Inside Height | 3.094 INCHES NOMINAL IN |
| Length | 8.438 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 400.0 AC |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 0.722 HORSEPOWER |
| Quantity | 1 |
| Style Designator | FIXED, INVERTED, RECTANGULAR OUTLET |
| Features Provided | NONSPARKING |
| Discharge Direction | VERTICAL UP |
| Outlet Inside Width | 2.281 INCHES NOMINAL IN |
| Height | 9.641 INCHES NOMINAL IN |
| Stage Quantity | 1 |
| Operating Speed at Rated Capacity in RPM | 3200.0 |
| Surface Treatment | ANODIZE HOUSING INSIDE |
| Surface Treatment | ANODIZE HOUSING OUTSIDE |
| Surface Treatment | CADMIUM BLADE |
| Environmental Protection | EXPLOSION PROOF |
| Width | 6.187 INCHES MINIMUM AND 6.437 INCHES MAXIMUM IN |
| Material | STEEL 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 | WIRE LEAD |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY NAVORD OD 41152 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 753039 | 3/1 Design control — primary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
NSN 4140-00-073-9866 is a Fan,centrifugal, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
Key specifications for 4140-00-073-9866: Outlet Location: TOP; Mounting Facility Type and Quantity: 4 THREADED HOLE(S); Speed Adjustments: SINGLE SPEED; Phase: THREE. 30 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.