The Impeller,fan,axial, cataloged under National Stock Number 2930-01-004-1940, is classified within Federal Supply Class 2930 (Engine Cooling System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Schwitzer Engine Components a Household Intl Co. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2930-01-004-1940 |
| Primary Part Number | AL913665 |
| Item Name | Impeller,fan,axial |
| FSC / FSG | 2930 / 29 — Engine Cooling System Components, Nonaircraft |
| Manufacturer | Schwitzer Engine Components a Household Intl Co |
| Status | ACTIVE |
| Mounting Hole Quantity | 4 |
| Style Designator | ROUNDED TIP |
| Attachment Method | BOLT HOLE |
| Mounting Hole Diameter | 0.335 INCHES NOMINAL IN |
| Diameter | 18.500 INCHES NOMINAL IN |
| Blade Quantity | 4 |
| Mounting Bolt Circle Diameter | 2.062 INCHES NOMINAL IN |
| Hub Location | FRONT |
| Material | STEEL OVERALL |
| Rotation Direction for Which Designed | CLOCKWISE |
| 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 |
|---|---|
| AL913665 PRIMARY | Schwitzer Engine Components a Household Intl Co (USA) |
| Reference | Meaning |
|---|---|
| 2863214 | 5/9 Secondary reference U.S. Government activity |
| 4106007 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2930-01-004-1940 is a Impeller,fan,axial, manufactured by Schwitzer Engine Components a Household Intl Co, classified under FSC 2930, Engine Cooling System Components, Nonaircraft. Status: active.
NSN 2930-01-004-1940 has 1 manufacturer part number on file: AL913665 (Schwitzer Engine Components a Household Intl Co).
1 possible match (shared part number, not a government interchangeability claim): 2990-01-188-1448. Verify interchangeability with system specifications before substitution.
Key specifications for AL913665: Mounting Hole Quantity: 4; Style Designator: ROUNDED TIP; Attachment Method: BOLT HOLE; Mounting Hole Diameter: 0.335 INCHES NOMINAL IN. 10 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.