The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-00-753-0728, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-753-0728 |
| Primary Part Number | 182530-246A |
| Item Name | Impeller,pump,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions |
| Status | ACTIVE |
| Keyway Type | PLAIN |
| Keyway Depth | 0.032 INCHES NOMINAL IN |
| Hub Bore Diameter | 0.750 INCHES NOMINAL IN |
| Hub Length | 0.438 INCHES NOMINAL IN |
| Design Type | DOUBLE WIDTH |
| Overall Diameter | 4.500 INCHES NOMINAL IN |
| Mounting Method | KEY |
| Keyway Quantity | 1 |
| Hub Projection Length Beyond Wheel Side | 0.438 INCHES NOMINAL IN |
| Blade Quantity | 5 |
| Keyway Length | 0.875 INCHES NOMINAL IN |
| Hub Quantity | 1 |
| Keyway Width | 0.125 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY |
| Rotation Direction for Which Designed | CLOCKWISE |
| 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 |
|---|---|
| 182530-246A PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| Reference | Meaning |
|---|---|
| 182530-246A | 5/9 Secondary reference Ingersoll Rand Co |
| 182530-246A | 5/9 Secondary reference U.S. Government activity |
| 182530-246A | 3/9 Design control — primary reference Siemens Energy, Inc. Dba Dresser-Rand |
NSN 4320-00-753-0728 is a Impeller,pump,centrifugal, manufactured by Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-753-0728 has 1 manufacturer part number on file: 182530-246A (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions).
Key specifications for 182530-246A: Keyway Type: PLAIN; Keyway Depth: 0.032 INCHES NOMINAL IN; Hub Bore Diameter: 0.750 INCHES NOMINAL IN; Hub Length: 0.438 INCHES NOMINAL IN. 16 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.