The Fan,centrifugal, cataloged under National Stock Number 4140-01-272-1801, 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 21 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-272-1801 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Status | ACTIVE |
| Outlet Location | TOP |
| Speed Adjustments | SINGLE SPEED |
| Phase | THREE |
| Frequency in Hertz | 60.0 |
| Inclosure Type | FULLY INCLOSED |
| Outlet Inside Height | 5.560 INCHES NOMINAL IN |
| Length | 13.260 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 208.0 AC |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 5.576 HORSEPOWER |
| Style Designator | FIXED, RECTANGULAR OUTLETS |
| Discharge Direction | ANGULAR UP |
| Outlet Inside Width | 5.060 INCHES NOMINAL IN |
| Height | 14.650 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 3280.0 |
| Width | 13.120 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Prime Mover Type | ELECTRIC MOTOR |
| Electrical Connection Type | TERMINAL BLOCK |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 1400.0 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 |
|---|---|
| 021832 | 3/2 Design control — primary reference U.S. Government activity |
| 492-0166-001 | 7/2 Vendor item drawing reference U.S. Government activity |
| 492-0166 | D/9 Drawing number reference only U.S. Government activity |
NSN 4140-01-272-1801 is a Fan,centrifugal, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6515-01-502-1035. Verify interchangeability with system specifications before substitution.
Key specifications for 4140-01-272-1801: Outlet Location: TOP; Speed Adjustments: SINGLE SPEED; Phase: THREE; Frequency in Hertz: 60.0. 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.