The Fan,centrifugal, cataloged under National Stock Number 4140-01-308-5647, 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 W.w. Grainger, Inc. Div Government Sales Division. Government technical data includes 25 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-308-5647 |
| Primary Part Number | 4C441 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | W.w. Grainger, Inc. Div Government Sales Division |
| Status | ACTIVE |
| Outlet Location | BOTTOM OR TOP |
| Speed Adjustments | SINGLE SPEED |
| Phase | SINGLE |
| Frequency in Hertz | 50.0 AND 60.0 |
| Inclosure Type | FULLY INCLOSED |
| Length | 6.312 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 115.0 AC |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 36.0 WATTS |
| Outlet Inside Diameter | 2.375 INCHES NOMINAL IN |
| Style Designator | FIXED,ROUND OUTLETS |
| Features Provided | THERMAL PROTECTIVE DEVICE |
| Ambient Temp at Full Rated Power | 40.0 CELSIUS DEGC |
| Discharge Direction | ANGULAR DOWN AND ANGULAR UP AND HORIZONTAL AND VERTICAL DOWN AND VERTICAL UP |
| Height | 5.812 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 3030.0 |
| Surface Treatment | ENAMEL OVERALL |
| Width | 5.219 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | SLEEVE |
| Electrical Connection Type | WIRE LEAD |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 60.0 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 |
| Part Number | Manufacturer |
|---|---|
| 4C441 PRIMARY | W.w. Grainger, Inc. Div Government Sales Division (USA) |
| Reference | Meaning |
|---|---|
| 4C441 | 5/9 Secondary reference Beemak Plastics |
NSN 4140-01-308-5647 is a Fan,centrifugal, manufactured by W.w. Grainger, Inc. Div Government Sales Division, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-308-5647 has 1 manufacturer part number on file: 4C441 (W.w. Grainger, Inc. Div Government Sales Division).
Key specifications for 4C441: Outlet Location: BOTTOM OR TOP; Speed Adjustments: SINGLE SPEED; Phase: SINGLE; Frequency in Hertz: 50.0 AND 60.0. 25 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.