The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-01-210-0456, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4320-01-210-0456 |
| Item Name | Impeller,pump,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Status | ACTIVE |
| Keyway Type | SQUARE |
| Design Type | SINGLE WIDTH |
| Overall Diameter | 10.500 INCHES NOMINAL IN |
| Mounting Method | KEY |
| Keyway Quantity | 1 |
| Hub Quantity | 2 |
| Material | NICKEL ALLOY |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| 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 |
|---|---|
| CB11259-9IN | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| CA10930 | D/9 Drawing number reference only U.S. Government activity |
| CB11259 | 5/9 Secondary reference U.S. Government activity |
| CA10930 PIECE 3D | 5/2 Secondary reference U.S. Government activity |
| CA11450 | D/9 Drawing number reference only U.S. Government activity |
| CA11218IMP2NDSTG | 5/2 Secondary reference U.S. Government activity |
| CA11500-3D | 3/2 Design control — primary reference U.S. Government activity |
NSN 4320-01-210-0456 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): 4320-01-325-0736. Verify interchangeability with system specifications before substitution.
Key specifications for 4320-01-210-0456: Keyway Type: SQUARE; Design Type: SINGLE WIDTH; Overall Diameter: 10.500 INCHES NOMINAL IN; Mounting Method: KEY. 8 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.