The Impeller,fan,centrifugal, cataloged under National Stock Number 4140-01-003-2501, 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 Continental Electric Motors, Inc.. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-003-2501 |
| Primary Part Number | C24770 |
| Item Name | Impeller,fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Continental Electric Motors, Inc. |
| Status | ACTIVE |
| Style Designator | STRAIGHT RADIAL W/ BACK PLATE |
| Attachment Method | KEYWAY AND LOCKNUT |
| Diameter | 11.000 INCHES NOMINAL IN |
| Blade Quantity | 15 |
| 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 |
|---|---|
| C24770 PRIMARY | Continental Electric Motors, Inc. (USA) |
| Reference | Meaning |
|---|---|
| C24770 | 3/9 Design control — primary reference Continental Electric Co Inc |
| C24470 | 5/9 Secondary reference Continental Electric Co Inc |
NSN 4140-01-003-2501 is a Impeller,fan,centrifugal, manufactured by Continental Electric Motors, Inc., classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-003-2501 has 1 manufacturer part number on file: C24770 (Continental Electric Motors, Inc.).
Key specifications for C24770: Style Designator: STRAIGHT RADIAL W/ BACK PLATE; Attachment Method: KEYWAY AND LOCKNUT; Diameter: 11.000 INCHES NOMINAL IN; Blade Quantity: 15. 4 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.