The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-01-388-4640, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-388-4640 |
| Item Name | Impeller,pump,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Status | ACTIVE |
| Keyway Type | RECTANGULAR |
| Keyway Depth | 0.386 INCHES NOMINAL IN |
| Design Type | DOUBLE WIDTH |
| Overall Diameter | 15.000 INCHES NOMINAL IN |
| Mounting Method | KEY |
| Keyway Quantity | 2 |
| Blade Quantity | 5 |
| Keyway Width | 0.750 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| Rotation Direction for Which Designed | 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 |
| Reference | Meaning |
|---|---|
| 3-0340-01-1-15.0IN | 5/9 Secondary reference U.S. Government activity |
| 3-0340-01 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| NF14774-1 | 5/2 Secondary reference U.S. Government activity |
| PL-DH6080D-8 ITEM 3 | 5/2 Secondary reference U.S. Government activity |
| 3-0340-01-15.0IN | 3/2 Design control — primary reference U.S. Government activity |
| PL-DH6080D-3 ITEM 3 | 5/2 Secondary reference U.S. Government activity |
NSN 4320-01-388-4640 is a Impeller,pump,centrifugal, classified under FSC 4320, Power and Hand Pumps. Status: active.
Key specifications for 4320-01-388-4640: Keyway Type: RECTANGULAR; Keyway Depth: 0.386 INCHES NOMINAL IN; Design Type: DOUBLE WIDTH; Overall Diameter: 15.000 INCHES NOMINAL IN. 11 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.