The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-00-450-9231, 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 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-450-9231 |
| Primary Part Number | 6763A 14000 |
| Item Name | Impeller,pump,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | The Gorman-Rupp Company Div Gorman-Rupp |
| Status | ACTIVE |
| Hub Bore Diameter | 0.312 INCHES NOMINAL IN |
| Hub Length | 0.516 INCHES NOMINAL IN |
| Design Type | SINGLE WIDTH |
| Overall Diameter | 2.250 INCHES NOMINAL IN |
| Mounting Method | THREAD |
| Thread Diameter | 0.313 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Hub Projection Length Beyond Wheel Side | 0.515 INCHES NOMINAL IN |
| Blade Quantity | 3 |
| Hub Quantity | 1 |
| Hub Location | CENTER OF BLADES |
| Screw Thread Series Designator | UNF |
| Material | COPPER ALLOY |
| Thread Quantity | 24 PER INCH |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Blade Type | STRAIGHT |
| 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 |
|---|---|
| 6763A 14000 PRIMARY | The Gorman-Rupp Company Div Gorman-Rupp (USA) |
| Reference | Meaning |
|---|---|
| 6763A | 5/9 Secondary reference The Gorman-Rupp Company Div Gorman-Rupp |
NSN 4320-00-450-9231 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 4320-00-450-9231 has 1 manufacturer part number on file: 6763A 14000 (The Gorman-Rupp Company Div Gorman-Rupp).
Key specifications for 6763A 14000: Hub Bore Diameter: 0.312 INCHES NOMINAL IN; Hub Length: 0.516 INCHES NOMINAL IN; Design Type: SINGLE WIDTH; Overall Diameter: 2.250 INCHES NOMINAL IN. 16 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.