The Impeller,pump,centrifugal, cataloged under National Stock Number 2930-00-392-4722, 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 12 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2930-00-392-4722 |
| Primary Part Number | A121922 |
| Item Name | Impeller,pump,centrifugal |
| FSC / FSG | 2930 / 29 — Engine Cooling System Components, Nonaircraft |
| Manufacturer | Schwitzer Engine Components a Household Intl Co |
| Status | ACTIVE |
| FSC Application Data | PUMP,WATER,ENGINE,NONAIRCRAFT |
| Hub Bore Diameter | 0.6245 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN |
| Hub Length | 0.934 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN |
| Design Type | SINGLE WIDTH |
| Overall Diameter | 2.875 INCHES NOMINAL IN |
| Hub Projection Length Beyond Wheel Side | 0.528 INCHES MINIMUM AND 0.534 INCHES MAXIMUM IN |
| Blade Quantity | 6 |
| Hub Quantity | 1 |
| Hub Location | SINGLE INSIDE OFFSET |
| Material | IRON |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Blade Type | BACKWARD CURVE |
| 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 |
|---|---|
| 39152C | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| 39152C | General Electric Company (USA) |
| A121922 PRIMARY | Schwitzer Engine Components a Household Intl Co (USA) |
| Reference | Meaning |
|---|---|
| 39152C | 5/9 Secondary reference Hercules Engine Co Inc |
NSN 2930-00-392-4722 is a Impeller,pump,centrifugal, manufactured by Schwitzer Engine Components a Household Intl Co, classified under FSC 2930, Engine Cooling System Components, Nonaircraft. Status: active.
NSN 2930-00-392-4722 has 3 manufacturer part numbers on file: 39152C (Brinkley Technology Group Llc Dba Hercules Manufacturing), 39152C (General Electric Company), A121922 (Schwitzer Engine Components a Household Intl Co).
Key specifications for A121922: FSC Application Data: PUMP,WATER,ENGINE,NONAIRCRAFT; Hub Bore Diameter: 0.6245 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN; Hub Length: 0.934 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN; Design Type: SINGLE WIDTH. 12 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.