The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-00-232-5428, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is WS Darley & Co Div Ohler Pump. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-232-5428 |
| Primary Part Number | C522 |
| Item Name | Impeller,pump,centrifugal |
| FSC / FSG | 4320 / 43 — No Item Name Available |
| Manufacturer | WS Darley & Co Div Ohler Pump |
| Status | ACTIVE |
| Overall Diameter | 7.000 INCHES NOMINAL IN |
| Rotation Direction for Which Designed | CLOCKWISE |
| Material | COPPER ALLOY |
| Design Type | SINGLE WIDTH |
| Hub Length | 2.375 INCHES NOMINAL IN |
| Blade Quantity | 4 |
| Hub Location | BACK SIDE |
| Hub Bore Diameter | 0.875 INCHES NOMINAL IN |
| Hub Quantity | 1 |
| Hub Projection Length Beyond Wheel Side | 2.375 INCHES NOMINAL IN |
| Blade Type | FORWARD CURVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| C522 PRIMARY | WS Darley & Co Div Ohler Pump (USA) |
NSN 4320-00-232-5428 is a Impeller,pump,centrifugal, manufactured by WS Darley & Co Div Ohler Pump, classified under FSC 4320 (No Item Name Available). Status: active.
NSN 4320-00-232-5428 has 1 cross-referenced part number: C522 (WS Darley & Co Div Ohler Pump).
There are 2 known substitutes for 4320-00-232-5428: 4820-00-402-2435, 5315-00-425-6413. Verify interchangeability with system specifications before substitution.
Key specifications for C522: Overall Diameter: 7.000 INCHES NOMINAL IN; Rotation Direction for Which Designed: CLOCKWISE; Material: COPPER ALLOY; Design Type: SINGLE WIDTH. 12 total characteristics are documented in the Federal Logistics Information System.