The Fan,centrifugal, cataloged under National Stock Number 4140-00-267-0764, 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 20 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4140-00-267-0764 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Status | ACTIVE |
| Inclosure Type | PARTIALLY INCLOSED |
| Outlet Inside Height | 15.000 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 230.0 DC |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 1.500 HORSEPOWER |
| Quantity | 1 |
| Ambient Temp at Full Rated Power | 50.0 CELSIUS DEGC |
| Outlet Inside Width | 9.500 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | C TYPE |
| Stage Quantity | 1 |
| Operating Speed at Rated Capacity in RPM | 1750.0 |
| Environmental Protection | DRIPPROOF |
| Material | STEEL BLADE |
| Material | STEEL HOUSING |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | CLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY IMPELLERROTATION DIRECTION |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 2000.0 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 |
|---|---|
| HS230C0NTITEM5N0BS11531 | 3/9 Design control — primary reference U.S. Government activity |
| 583220ALT6C0NTITEM5N0BS11531 | 5/1 Secondary reference U.S. Government activity |
NSN 4140-00-267-0764 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): 4140-00-267-0765. Verify interchangeability with system specifications before substitution.
Key specifications for 4140-00-267-0764: Inclosure Type: PARTIALLY INCLOSED; Outlet Inside Height: 15.000 INCHES NOMINAL IN; Voltage in Volts and Current Type: 230.0 DC; Drive Type: DIRECT. 20 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.