The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-01-064-4371, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-064-4371 |
| Item Name | Impeller,pump,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Status | ACTIVE |
| Keyway Type | MACHINE |
| Keyway Depth | 0.047 INCHES NOMINAL IN |
| Design Type | SINGLE WIDTH |
| Overall Diameter | 2.625 INCHES NOMINAL IN |
| Mounting Method | KEY |
| Keyway Quantity | 1 |
| Blade Quantity | 8 |
| Keyway Length | 2.312 INCHES NOMINAL IN |
| Keyway Width | 0.125 INCHES NOMINAL IN |
| Material | RUBBER AND COPPER ALLOY |
| Rotation Direction for Which Designed | CLOCKWISE OR COUNTERCLOCKWISE |
| Blade Type | FORWARD CURVE |
| 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 |
|---|---|
| 4759362-1 | 5/9 Secondary reference U.S. Government activity |
| B47-59362A1 | 5/9 Secondary reference U.S. Government activity |
| 47-59362 | 3/2 Design control — primary reference U.S. Government activity |
| BARCO 2000 | 5/9 Secondary reference Barco Corp |
NSN 4320-01-064-4371 is a Impeller,pump,centrifugal, classified under FSC 4320, Power and Hand Pumps. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 2930-01-209-3366. Verify interchangeability with system specifications before substitution.
Key specifications for 4320-01-064-4371: Keyway Type: MACHINE; Keyway Depth: 0.047 INCHES NOMINAL IN; Design Type: SINGLE WIDTH; Overall Diameter: 2.625 INCHES NOMINAL IN. 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.