The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-01-172-0845, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 15 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-172-0845 |
| Primary Part Number | 1568913 |
| Item Name | Impeller,pump,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Hub Bore Diameter | 0.5623 INCHES MINIMUM AND 0.5626 INCHES MAXIMUM IN |
| Hub Length | 2.219 INCHES NOMINAL AND 0.937 INCHES NOMINAL IN |
| Design Type | SINGLE WIDTH |
| Overall Diameter | 1.6105 INCHES MINIMUM AND 1.6145 INCHES MAXIMUM IN |
| Mounting Method | THREAD |
| Thread Diameter | 0.250 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Blade Quantity | 4 |
| Hub Quantity | 2 |
| Hub Location | SINGLE AXIAL |
| Screw Thread Series Designator | UNF |
| Material | STEEL CORROSION RESISTING |
| Thread Quantity | 28 PER INCH |
| Rotation Direction for Which Designed | CLOCKWISE OR COUNTERCLOCKWISE |
| Blade Type | STRAIGHT |
| 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 |
|---|---|
| 1568913 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 4320-01-172-0845 is a Impeller,pump,centrifugal, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-172-0845 has 1 manufacturer part number on file: 1568913 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 1568913: Hub Bore Diameter: 0.5623 INCHES MINIMUM AND 0.5626 INCHES MAXIMUM IN; Hub Length: 2.219 INCHES NOMINAL AND 0.937 INCHES NOMINAL IN; Design Type: SINGLE WIDTH; Overall Diameter: 1.6105 INCHES MINIMUM AND 1.6145 INCHES MAXIMUM IN. 15 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.