The Fan,centrifugal, cataloged under National Stock Number 4140-01-249-1388, 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 Howden American Fan Company Dba American Fan Co Div Howden Usa Company. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-249-1388 |
| Primary Part Number | SC-600B |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Howden American Fan Company Dba American Fan Co Div Howden Usa Company |
| Status | ACTIVE |
| Outlet Location | BOTTOM |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) |
| Speed Adjustments | 0 TO FULL SPEED |
| Phase | THREE |
| Inclosure Type | FULLY INCLOSED |
| Length | 11.600 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 200.0 AC OR 208.0 AC |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 1.500 HORSEPOWER |
| Outlet Inside Diameter | 6.000 INCHES NOMINAL IN |
| Style Designator | FIXED,ROUND OUTLETS |
| Ambient Temp at Full Rated Power | 50.0 CELSIUS DEGC |
| Discharge Direction | HORIZONTAL |
| Height | 11.300 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 3600.0 |
| Width | 16.600 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY HOUSING |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 500.0 CUBIC FEET PER MINUTE MINIMUM |
| 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 |
|---|---|
| SC-600B PRIMARY | Howden American Fan Company Dba American Fan Co Div Howden Usa Company (USA) |
| Reference | Meaning |
|---|---|
| AD39653-1 | 7/2 Vendor item drawing reference Hamilton Sundstrand Corporation Dba Collins Aerospace |
NSN 4140-01-249-1388 is a Fan,centrifugal, manufactured by Howden American Fan Company Dba American Fan Co Div Howden Usa Company, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-249-1388 has 1 manufacturer part number on file: SC-600B (Howden American Fan Company Dba American Fan Co Div Howden Usa Company).
Key specifications for SC-600B: Outlet Location: BOTTOM; Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S); Speed Adjustments: 0 TO FULL SPEED; Phase: THREE. 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.