The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-01-087-6040, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Euramco Safety Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-087-6040 |
| Primary Part Number | 506-4478696-52 |
| Item Name | Impeller,pump,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Euramco Safety Inc |
| Status | ACTIVE |
| Keyway Type | WOODRUFF |
| Keyway Depth | 0.125 INCHES NOMINAL IN |
| Hub Bore Diameter | 1.687 INCHES NOMINAL IN |
| Hub Length | 2.750 INCHES NOMINAL IN |
| Design Type | SINGLE WIDTH |
| Overall Diameter | 10.125 INCHES NOMINAL IN |
| Mounting Method | KEY |
| Keyway Quantity | 1 |
| Hub Projection Length Beyond Wheel Side | 2.125 INCHES NOMINAL IN |
| Blade Quantity | 6 |
| Keyway Length | 2.750 INCHES NOMINAL IN |
| Hub Quantity | 1 |
| Hub Location | CENTERED |
| Keyway Width | 0.375 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Blade Type | BACKWARD 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 |
|---|---|
| 506-4478696-52 PRIMARY | Euramco Safety Inc (USA) |
| 52-236-547-506 PRIMARY | Kalmar AC Inc (USA) |
| Reference | Meaning |
|---|---|
| 506-4478696REVB | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 52-236-547-506 | 5/9 Secondary reference Itt Fluid Technology Corp |
NSN 4320-01-087-6040 is a Impeller,pump,centrifugal, manufactured by Euramco Safety Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-087-6040 has 2 manufacturer part numbers on file: 506-4478696-52 (Euramco Safety Inc), 52-236-547-506 (Kalmar AC Inc).
Key specifications for 506-4478696-52: Keyway Type: WOODRUFF; Keyway Depth: 0.125 INCHES NOMINAL IN; Hub Bore Diameter: 1.687 INCHES NOMINAL IN; Hub Length: 2.750 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.