The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-00-810-3283, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is The Gorman-Rupp Company Div Gorman-Rupp. Government technical data includes 17 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-810-3283 |
| Primary Part Number | 8251 |
| Item Name | Impeller,pump,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | The Gorman-Rupp Company Div Gorman-Rupp |
| Status | ACTIVE |
| Keyway Type | STRAIGHT |
| Keyway Depth | 0.094 INCHES NOMINAL IN |
| Hub Length | 0.688 INCHES NOMINAL AND 0.978 INCHES NOMINAL IN |
| Design Type | SINGLE WIDTH |
| Overall Diameter | 7.238 INCHES NOMINAL IN |
| Mounting Method | KEY |
| Keyway Quantity | 1 |
| Hub Projection Length Beyond Wheel Side | 0.688 INCHES NOMINAL AND 2.300 INCHES NOMINAL IN |
| Blade Quantity | 5 |
| Keyway Length | 1.250 INCHES NOMINAL IN |
| Hub Quantity | 2 |
| Hub Location | BACK SIDE AND FRONT SIDE |
| Keyway Width | 0.188 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE |
| Material | ALUMINUM ALLOY |
| Rotation Direction for Which Designed | CLOCKWISE |
| 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 |
|---|---|
| 8251 PRIMARY | The Gorman-Rupp Company Div Gorman-Rupp (USA) |
NSN 4320-00-810-3283 is a Impeller,pump,centrifugal, manufactured by The Gorman-Rupp Company Div Gorman-Rupp, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-810-3283 has 1 manufacturer part number on file: 8251 (The Gorman-Rupp Company Div Gorman-Rupp).
Key specifications for 8251: Keyway Type: STRAIGHT; Keyway Depth: 0.094 INCHES NOMINAL IN; Hub Length: 0.688 INCHES NOMINAL AND 0.978 INCHES NOMINAL IN; Design Type: SINGLE WIDTH. 17 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.