The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-01-307-3857, 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 17 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-307-3857 |
| Primary Part Number | 002-NGS-B01-252 8 1/8IN |
| Item Name | Impeller,pump,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Carver Pump Company |
| Status | ACTIVE |
| Keyway Type | MACHINE |
| Keyway Depth | 0.125 INCHES NOMINAL IN |
| Hub Bore Diameter | 1.500 INCHES NOMINAL IN |
| Hub Length | 2.000 INCHES NOMINAL AND 2.250 INCHES NOMINAL AND 2.000 INCHES NOMINAL IN |
| Design Type | SINGLE WIDTH |
| Overall Diameter | 9.000 INCHES MAXIMUM IN |
| Mounting Method | KEY |
| Keyway Quantity | 1 |
| Hub Projection Length Beyond Wheel Side | 0.875 INCHES NOMINAL AND 0.875 INCHES NOMINAL IN |
| Blade Quantity | 5 |
| Keyway Length | 2.250 INCHES NOMINAL IN |
| Hub Quantity | 3 |
| Hub Location | BACK SIDE AND CENTERLINE AND FRONT SIDE |
| Keyway Width | 0.250 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| Rotation Direction for Which Designed | 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 |
| Part Number | Manufacturer |
|---|---|
| 002-NGS-B01-252-9IN | Carver Pump Company (USA) |
| 002-NGS-B01-252 8 1/8IN PRIMARY | Carver Pump Company (USA) |
| Reference | Meaning |
|---|---|
| NC500-108 PIECE 1(9 IN. DIA) | C/1 Advisory reference — outside the item-of-supply concept Carver Pump Company |
| D-2 1/2 NCIA-1 | C/1 Advisory reference — outside the item-of-supply concept Carver Pump Company |
| F-NC500-108 PIECE 1(9 IN. DIA) | 5/9 Secondary reference Carver Pump Company |
| F-NC500-108 PIECE 1 | 5/1 Secondary reference Carver Pump Company |
| D-2 1/2NC1A-1(9IN. DIA) | 5/9 Secondary reference Carver Pump Company |
| D-2 1/2NC1A-1 | 5/1 Secondary reference Carver Pump Company |
NSN 4320-01-307-3857 is a Impeller,pump,centrifugal, manufactured by Carver Pump Company, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-307-3857 has 2 manufacturer part numbers on file: 002-NGS-B01-252-9IN (Carver Pump Company), 002-NGS-B01-252 8 1/8IN (Carver Pump Company).
Key specifications for 002-NGS-B01-252 8 1/8IN: Keyway Type: MACHINE; Keyway Depth: 0.125 INCHES NOMINAL IN; Hub Bore Diameter: 1.500 INCHES NOMINAL IN; Hub Length: 2.000 INCHES NOMINAL AND 2.250 INCHES NOMINAL AND 2.000 INCHES NOMINAL IN. 17 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.