The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-01-032-7023, 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 Div Epd. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-032-7023 |
| Primary Part Number | 1129A20X08VB101-A744CF8M |
| Item Name | Impeller,pump,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| Hub Bore Diameter | 1.000 INCHES NOMINAL IN |
| Hub Length | 1.438 INCHES NOMINAL IN |
| Design Type | SINGLE WIDTH |
| Overall Diameter | 10.000 INCHES NOMINAL IN |
| Mounting Method | THREAD |
| Thread Diameter | 1.000 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Hub Projection Length Beyond Wheel Side | 1.438 INCHES NOMINAL IN |
| Blade Quantity | 5 |
| Hub Quantity | 1 |
| Hub Location | BACK SIDE |
| Screw Thread Series Designator | UNS |
| Material | STEEL CORROSION RESISTING |
| Thread Quantity | 14 PER INCH |
| 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 |
|---|---|
| 1129A20X08VB101-A744CF8M PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| Reference | Meaning |
|---|---|
| 1129A20X08VB101-A744CF8M | 3/9 Design control — primary reference U.S. Government activity |
| 1129A20X08VA001-383 | 5/9 Secondary reference Ingersoll-Rand Co Standard Pump-Aldrich Div |
NSN 4320-01-032-7023 is a Impeller,pump,centrifugal, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-032-7023 has 1 manufacturer part number on file: 1129A20X08VB101-A744CF8M (Curtiss-Wright Electro-Mechanical Corporation Div Epd).
Key specifications for 1129A20X08VB101-A744CF8M: Hub Bore Diameter: 1.000 INCHES NOMINAL IN; Hub Length: 1.438 INCHES NOMINAL IN; Design Type: SINGLE WIDTH; Overall Diameter: 10.000 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.