The Fan,centrifugal, cataloged under National Stock Number 4140-00-554-8432, 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30 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-00-554-8432 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Status | ACTIVE |
| Outlet Location | TOP |
| Mounting Facility Type and Quantity | 6 UNTHREADED HOLE(S) |
| Speed Adjustments | SINGLE SPEED |
| Phase | THREE |
| Inclosure Type | FULLY INCLOSED |
| Outlet Inside Height | 15.875 INCHES NOMINAL IN |
| Length | 30.500 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 440.0 AC |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 4.000 HORSEPOWER |
| Quantity | 1 |
| Style Designator | FIXED, RECTANGULAR OUTLETS |
| Features Provided | NONSPARKING |
| Ambient Temp at Full Rated Power | 65.0 CELSIUS DEGC |
| Discharge Direction | HORIZONTAL |
| Outlet Inside Width | 14.000 INCHES NOMINAL IN |
| Height | 34.875 INCHES NOMINAL IN |
| Stage Quantity | 1 |
| Operating Speed at Rated Capacity in RPM | 1750.0 |
| Surface Treatment | ZINC HOUSING INSIDE |
| Surface Treatment | ZINC HOUSING OUTSIDE |
| Environmental Protection | SPLASH PROOF |
| Width | 37.000 INCHES MAXIMUM IN |
| Test Data Document | 81349-MILF19004 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Material | STEEL HOUSING |
| Material | ALUMINUM BLADE |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | CLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Air Flow Rate | 3000.0 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 |
|---|---|
| S3801-921785C1A4W5CCWNS | 5/2 Secondary reference U.S. Government activity |
| MILF19004 | 4/1 Identification reference U.S. Government activity |
NSN 4140-00-554-8432 is a Fan,centrifugal, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
Key specifications for 4140-00-554-8432: Outlet Location: TOP; Mounting Facility Type and Quantity: 6 UNTHREADED 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.