The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-01-252-8335, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Wilo Usa Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-252-8335 |
| Primary Part Number | 131.000.763D |
| Item Name | Impeller,pump,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Wilo Usa Llc |
| Status | ACTIVE |
| Hub Bore Diameter | 0.625 INCHES NOMINAL IN |
| Hub Length | 1.281 INCHES NOMINAL IN |
| Design Type | SINGLE WIDTH |
| Overall Diameter | 4.875 INCHES NOMINAL IN |
| Mounting Method | THREAD |
| Thread Diameter | 0.250 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Hub Projection Length Beyond Wheel Side | 0.750 INCHES NOMINAL IN |
| Blade Quantity | 5 |
| Hub Quantity | 1 |
| Hub Location | CENTRALLY |
| Screw Thread Series Designator | UNF |
| Cubic Measure | 0.029 CUBIC FEET |
| Material | STEEL CORROSION RESISTING |
| Thread Quantity | 20 PER INCH |
| 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 |
|---|---|
| 17.001.397 ITEM 8 | Wilo Usa Llc (USA) |
| 131.000.763D PRIMARY | Wilo Usa Llc (USA) |
| Reference | Meaning |
|---|---|
| 131.000.119 | 5/9 Secondary reference Wilo Usa Llc |
NSN 4320-01-252-8335 is a Impeller,pump,centrifugal, manufactured by Wilo Usa Llc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-252-8335 has 2 manufacturer part numbers on file: 17.001.397 ITEM 8 (Wilo Usa Llc), 131.000.763D (Wilo Usa Llc).
Key specifications for 131.000.763D: Hub Bore Diameter: 0.625 INCHES NOMINAL IN; Hub Length: 1.281 INCHES NOMINAL IN; Design Type: SINGLE WIDTH; Overall Diameter: 4.875 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.