The Impeller,pump,centrifugal, cataloged under National Stock Number 2930-00-752-1898, is classified within Federal Supply Class 2930 (Engine Cooling System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 2930-00-752-1898 |
| Primary Part Number | 7521898 |
| Item Name | Impeller,pump,centrifugal |
| FSC / FSG | 2930 / 29 — Engine Cooling System Components, Nonaircraft |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| FSC Application Data | WATER PUMP,ENGINE,NONAIRCRAFT |
| Hub Bore Diameter | 0.686 INCHES MINIMUM AND 0.696 INCHES MAXIMUM IN |
| Hub Length | 1.312 INCHES NOMINAL IN |
| Design Type | SINGLE WIDTH |
| Overall Diameter | 3.880 INCHES MINIMUM AND 3.910 INCHES MAXIMUM IN |
| Hub Projection Length Beyond Wheel Side | 0.688 INCHES NOMINAL IN |
| Blade Quantity | 8 |
| Hub Quantity | 1 |
| Hub Location | SINGLE INSIDE CENTER |
| Material | IRON |
| Rotation Direction for Which Designed | CLOCKWISE OR COUNTERCLOCKWISE |
| Blade Type | RADIAL TIP |
| 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 |
|---|---|
| 7521898 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 913619 | 5/9 Secondary reference Sasco Inc Canadian Div |
| 1004A7 | 3/9 Design control — primary reference Diamond Reo Truck Co |
NSN 2930-00-752-1898 is a Impeller,pump,centrifugal, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2930, Engine Cooling System Components, Nonaircraft. Status: active.
NSN 2930-00-752-1898 has 1 manufacturer part number on file: 7521898 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 7521898: FSC Application Data: WATER PUMP,ENGINE,NONAIRCRAFT; Hub Bore Diameter: 0.686 INCHES MINIMUM AND 0.696 INCHES MAXIMUM IN; Hub Length: 1.312 INCHES NOMINAL 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.