The Fan,centrifugal, cataloged under National Stock Number 4140-00-554-9461, 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 Raytheon Company Dba Raytheon Co. Government technical data includes 23 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-00-554-9461 |
| Primary Part Number | L221494-1 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 BOLT |
| Phase | THREE |
| Inclosure Type | FULLY INCLOSED |
| Voltage in Volts and Current Type | 208.0 AC |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 1.500 HORSEPOWER |
| Outlet Inside Diameter | 10.125 INCHES NOMINAL IN |
| Quantity | 1 |
| Style Designator | FIXED, RECTANGULAR OUTLETS |
| Features Provided | NONSPARKING |
| Ambient Temp at Full Rated Power | -29.0 CELSIUS AND 69.0 CELSIUS DEGC |
| Discharge Direction | HORIZONTAL |
| Outlet Inside Width | 7.625 INCHES NOMINAL IN |
| Stage Quantity | 1 |
| Operating Speed at Rated Capacity in RPM | 1800.0 |
| Surface Treatment | ENAMEL BLADE |
| Surface Treatment | ENAMEL HOUSING OUTSIDE |
| Surface Treatment | ENAMEL HOUSING INSIDE |
| Material | STEEL BLADE |
| Material | STEEL HOUSING |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | CLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| L221494-1 PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
NSN 4140-00-554-9461 is a Fan,centrifugal, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-00-554-9461 has 1 manufacturer part number on file: L221494-1 (Raytheon Company Dba Raytheon Co).
Key specifications for L221494-1: Mounting Facility Type and Quantity: 4 BOLT; Phase: THREE; Inclosure Type: FULLY INCLOSED; Voltage in Volts and Current Type: 208.0 AC. 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.
NSN 4140-00-554-9461 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.