The Fan,centrifugal, cataloged under National Stock Number 4140-00-232-9859, 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 Curtiss-Wright Controls Integrated Sensing, Inc.. Government technical data includes 22 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-00-232-9859 |
| Primary Part Number | FBT2918B3 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Curtiss-Wright Controls Integrated Sensing, Inc. |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 FLANGE |
| Phase | THREE |
| Inclosure Type | FULLY INCLOSED |
| Outlet Inside Height | 2.090 INCHES MINIMUM AND 2.150 INCHES MAXIMUM IN |
| Length | 4.910 INCHES MINIMUM AND 5.030 INCHES MAXIMUM IN |
| Voltage in Volts and Current Type | 200.0 AC |
| Drive Type | DIRECT |
| Quantity | 2 |
| Style Designator | FIXED, DUAL IMPELLER, RECTANGULAR OUTLET |
| Ambient Temp at Full Rated Power | -40.0 CELSIUS AND 55.0 CELSIUS DEGC |
| Outlet Inside Width | 2.090 INCHES MINIMUM AND 2.150 INCHES MAXIMUM IN |
| Height | 5.750 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 9000.0 |
| Surface Treatment | CADMIUM BLADE |
| Surface Treatment | ENAMEL HOUSING OUTSIDE |
| Environmental Protection | MOISTURE RESISTANT |
| Width | 10.380 INCHES NOMINAL IN |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | CLOCKWISE AND COUNTERCLOCKWISE |
| Electrical Connection Type | WIRE LEAD |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 90.0 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 |
|---|---|
| FBT2918B3 PRIMARY | Curtiss-Wright Controls Integrated Sensing, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 536156-1 | 5/2 Secondary reference U.S. Government activity |
| FBT2918B3 | 5/9 Secondary reference U.S. Government activity |
NSN 4140-00-232-9859 is a Fan,centrifugal, manufactured by Curtiss-Wright Controls Integrated Sensing, Inc., classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-00-232-9859 has 1 manufacturer part number on file: FBT2918B3 (Curtiss-Wright Controls Integrated Sensing, Inc.).
Key specifications for FBT2918B3: Mounting Facility Type and Quantity: 2 FLANGE; Phase: THREE; Inclosure Type: FULLY INCLOSED; Outlet Inside Height: 2.090 INCHES MINIMUM AND 2.150 INCHES MAXIMUM IN. 22 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.