The Fan,centrifugal, cataloged under National Stock Number 4140-01-249-7948, 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 23 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4140-01-249-7948 |
| Primary Part Number | AF-9H-1030-LKA |
| 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 BOLT |
| Speed Adjustments | SINGLE SPEED |
| Phase | THREE |
| Inclosure Type | FULLY INCLOSED |
| Length | 12.820 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 208.0 AC |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 0.250 HORSEPOWER |
| Outlet Inside Diameter | 7.000 INCHES NOMINAL IN |
| Style Designator | FIXED |
| Ambient Temp at Full Rated Power | 70.0 FAHRENHEIT DEGF |
| Discharge Direction | HORIZONTAL |
| Height | 13.560 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 1725.0 |
| Width | 14.190 INCHES NOMINAL IN |
| Material | IRON CAST HOUSING |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | CLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Electrical Connection Type | TERMINAL BOX |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 540.0 CUBIC FEET PER MINUTE NOMINAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| AF-9H-1030-LKA PRIMARY | Howden American Fan Company Dba American Fan Co Div Howden Usa Company (USA) |
| Reference | Meaning |
|---|---|
| ST95D27-2 | 5/9 Secondary reference Lockheed Martin Corp |
| DBVS | 5/9 Secondary reference New Philadelphia Fan Co Buffalo Forge Marine Fans |
| TBD | 5/9 Secondary reference New Philadelphia Fan Co Buffalo Forge Marine Fans |
NSN 4140-01-249-7948 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 4140-01-249-7948 has 1 manufacturer part number on file: AF-9H-1030-LKA (Howden American Fan Company Dba American Fan Co Div Howden Usa Company).
Key specifications for AF-9H-1030-LKA: Outlet Location: BOTTOM; Mounting Facility Type and Quantity: 4 BOLT; Speed Adjustments: SINGLE SPEED; Phase: THREE. 23 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 4140-01-249-7948 has DEMIL Code Q. 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.