The Fan,centrifugal, cataloged under National Stock Number 4140-01-308-8778, 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-308-8778 |
| Primary Part Number | A408A050-101 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Ashland Electric Products Inc |
| Status | ACTIVE |
| Outlet Location | BOTTOM OR TOP |
| Mounting Facility Type and Quantity | 3 THREADED HOLE(S) |
| Speed Adjustments | SINGLE SPEED |
| Phase | THREE |
| Frequency in Hertz | 400.0 |
| Inclosure Type | FULLY INCLOSED |
| Length | 5.000 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 200.0 AC |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 147.0 WATTS |
| Style Designator | FIXED,ROUND OUTLETS |
| Ambient Temp at Full Rated Power | 70.0 CELSIUS DEGC |
| Discharge Direction | ANGULAR DOWN AND ANGULAR UP AND VERTICAL DOWN AND VERTICAL UP |
| Height | 5.360 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 8500.0 |
| Surface Treatment | ENAMEL LUSTERLESS OVERALL |
| Width | 4.360 INCHES NOMINAL IN |
| Material | ALUMINUM OVERALL |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Electrical Connection Type | CONNECTOR |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 42.0 CUBIC FEET PER MINUTE NOMINAL |
| 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 |
|---|---|
| A408A050-101 | Ashland Electric Products Inc (USA) |
| Reference | Meaning |
|---|---|
| 034697 | 5/9 Secondary reference U.S. Government activity |
| RRPX/RS3501-CCW-TB3M-487JF | 5/2 Secondary reference U.S. Government activity |
| A408A050-101 | 7/2 Vendor item drawing reference U.S. Government activity |
| 034697000 | 3/2 Design control — primary reference U.S. Government activity |
| A408A050 | D/9 Drawing number reference only U.S. Government activity |
NSN 4140-01-308-8778 is a Fan,centrifugal, manufactured by Ashland Electric Products Inc, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-308-8778 has 1 manufacturer part number on file: A408A050-101 (Ashland Electric Products Inc).
Key specifications for A408A050-101: Outlet Location: BOTTOM OR TOP; Mounting Facility Type and Quantity: 3 THREADED HOLE(S); Speed Adjustments: SINGLE SPEED; Phase: THREE. 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.
NSN 4140-01-308-8778 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.