The Fan,centrifugal, cataloged under National Stock Number 4140-01-229-8533, 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 Ashland Electric Products Inc. Government technical data includes 24 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-229-8533 |
| Primary Part Number | C7R8F-6 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Ashland Electric Products Inc |
| Status | ACTIVE |
| Outlet Location | TOP |
| Mounting Facility Type and Quantity | 2 FLANGE AND 8 UNTHREADED HOLE(S) AND 8 THREADED HOLE(S) |
| Phase | THREE |
| Frequency in Hertz | 50.0 AND 60.0 |
| Outlet Inside Height | 2.500 INCHES NOMINAL IN |
| Length | 6.250 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 208.000 AC |
| Drive Type | DIRECT |
| Style Designator | FIXED, DUAL IMPELLER, RECTANGULAR OUTLET |
| Ambient Temp at Full Rated Power | -57.0 CELSIUS AND 70.0 CELSIUS DEGC |
| Discharge Direction | ANGULAR UP |
| Outlet Inside Width | 4.000 INCHES NOMINAL IN |
| Height | 6.250 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 3150.000 |
| Surface Treatment | ZINC BLADE |
| Surface Treatment | ENAMEL HOUSING |
| Environmental Protection | MOISTURE RESISTANT AND VIBRATION PROOF AND SALT SPRAY RESISTANT |
| Width | 13.360 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | CLOCKWISE |
| Electrical Connection Type | WIRE LEAD |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 420.0 CUBIC FEET PER MINUTE MAXIMUM |
| 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 |
|---|---|
| C7R8F-6 | Ashland Electric Products Inc (USA) |
| Reference | Meaning |
|---|---|
| 77C718025 | 7/2 Vendor item drawing reference Lockheed Martin Corporation Div Rms |
| 026230 | 3/9 Design control — primary reference U.S. Government activity |
| 026230000 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4140-01-229-8533 is a Fan,centrifugal, manufactured by Ashland Electric Products Inc, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-229-8533 has 1 manufacturer part number on file: C7R8F-6 (Ashland Electric Products Inc).
Key specifications for C7R8F-6: Outlet Location: TOP; Mounting Facility Type and Quantity: 2 FLANGE AND 8 UNTHREADED HOLE(S) AND 8 THREADED HOLE(S); Phase: THREE; Frequency in Hertz: 50.0 AND 60.0. 24 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.