The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-01-230-4055, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc. Government technical data includes 18 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 | 4320-01-230-4055 |
| Primary Part Number | 1001725000 |
| Item Name | Impeller,pump,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc |
| Status | ACTIVE |
| Keyway Type | STRAIGHT |
| Keyway Depth | 0.094 INCHES NOMINAL IN |
| Hub Bore Diameter | 0.875 INCHES NOMINAL IN |
| Hub Length | 1.375 INCHES NOMINAL IN |
| Design Type | SINGLE WIDTH |
| Overall Diameter | 11.000 INCHES NOMINAL IN |
| Mounting Method | KEY |
| Keyway Quantity | 1 |
| Hub Projection Length Beyond Wheel Side | 0.375 INCHES NOMINAL IN |
| Blade Quantity | 5 |
| Keyway Length | 1.062 INCHES NOMINAL IN |
| Hub Quantity | 1 |
| Hub Location | SINGLE INSIDE OFFSET |
| Keyway Width | 0.188 INCHES NOMINAL IN |
| Cubic Measure | 0.210 CUBIC FEET |
| Material | COPPER 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 |
|---|---|
| 1001725000 PRIMARY | Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc (USA) |
NSN 4320-01-230-4055 is a Impeller,pump,centrifugal, manufactured by Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-230-4055 has 1 manufacturer part number on file: 1001725000 (Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc).
Key specifications for 1001725000: Keyway Type: STRAIGHT; Keyway Depth: 0.094 INCHES NOMINAL IN; Hub Bore Diameter: 0.875 INCHES NOMINAL IN; Hub Length: 1.375 INCHES NOMINAL IN. 18 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.