The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-01-256-9140, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Carver Pump Company. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-256-9140 |
| Primary Part Number | 002-7101718-252-3.68 |
| Item Name | Impeller,pump,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Carver Pump Company |
| Status | ACTIVE |
| Design Type | SINGLE WIDTH |
| Overall Diameter | 3.688 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| Rotation Direction for Which Designed | CLOCKWISE |
| 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 |
|---|---|
| 6FCS-293 PIECE 21 | Carver Pump Company (USA) |
| 002-7101718-252-3.68 PRIMARY | Carver Pump Company (USA) |
| Reference | Meaning |
|---|---|
| 21F062884NH C/W | 5/9 Secondary reference Carver Pump Company |
| 21F062884NH C/W | 5/9 Secondary reference Aurora Pump a Unit of General Signal Corp |
| 21F062884NH | C/1 Advisory reference — outside the item-of-supply concept Aurora Pump a Unit of General Signal Corp |
| 6FCS-293 PIECE 21 | 5/9 Secondary reference Aurora Pump a Unit of General Signal Corp |
| 6FCS-293 | D/9 Drawing number reference only Aurora Pump a Unit of General Signal Corp |
NSN 4320-01-256-9140 is a Impeller,pump,centrifugal, manufactured by Carver Pump Company, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-256-9140 has 2 manufacturer part numbers on file: 6FCS-293 PIECE 21 (Carver Pump Company), 002-7101718-252-3.68 (Carver Pump Company).
Key specifications for 002-7101718-252-3.68: Design Type: SINGLE WIDTH; Overall Diameter: 3.688 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING; Rotation Direction for Which Designed: CLOCKWISE. 5 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.