The Fan,centrifugal, cataloged under National Stock Number 4140-01-028-0350, 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 23 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-028-0350 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Status | ACTIVE |
| Outlet Location | BOTTOM AND TOP |
| Mounting Facility Type and Quantity | 1 CEILING CANOPY AND 4 UNTHREADED HOLE(S) |
| Speed Adjustments | SINGLE SPEED |
| Phase | THREE |
| Inclosure Type | FULLY INCLOSED |
| Length | 39.375 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 440.0 AC |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 5.000 HORSEPOWER |
| Outlet Inside Diameter | 6.250 INCHES NOMINAL IN |
| Style Designator | FIXED,ROUND OUTLETS |
| Discharge Direction | ANGULAR DOWN AND ANGULAR UP AND HORIZONTAL AND VERTICAL DOWN AND VERTICAL UP |
| Stage Quantity | 1 |
| Operating Speed at Rated Capacity in RPM | 3495.0 |
| Surface Treatment | PLASTIC HOUSING INSIDE |
| Material | ALUMINUM BLADE |
| Material | GLASS FIBER HOUSING |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY EXTRA LONG REFERENCE NUMBER |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 740.0 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 |
| Reference | Meaning |
|---|---|
| H20118D001 PIECE 40,53 | 5/9 Secondary reference U.S. Government activity |
| TBA16-5 | C/1 Advisory reference — outside the item-of-supply concept Hauck Manufacturing Company |
| H20118D001 REVISION F PIECE 40,- | 3/1 Design control — primary reference U.S. Government activity |
| TBA16-5TX | 5/1 Secondary reference Hauck Manufacturing Company |
NSN 4140-01-028-0350 is a Fan,centrifugal, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
Key specifications for 4140-01-028-0350: Outlet Location: BOTTOM AND TOP; Mounting Facility Type and Quantity: 1 CEILING CANOPY AND 4 UNTHREADED HOLE(S); Speed Adjustments: SINGLE SPEED; Phase: THREE. 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.