The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-01-200-8034, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Itt Goulds Pumps, Inc.. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-200-8034 |
| Primary Part Number | 08-500-823-00554 |
| Item Name | Impeller,pump,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Itt Goulds Pumps, Inc. |
| Status | ACTIVE |
| Keyway Type | RECTANGULAR |
| Keyway Depth | 0.094 INCHES NOMINAL IN |
| Hub Bore Diameter | 1.625 INCHES NOMINAL IN |
| Hub Length | 0.812 INCHES NOMINAL IN |
| Design Type | SINGLE WIDTH |
| Overall Diameter | 10.750 INCHES NOMINAL IN |
| Mounting Method | KEY |
| Keyway Quantity | 1 |
| Hub Projection Length Beyond Wheel Side | 0.438 INCHES NOMINAL IN |
| Blade Quantity | 3 |
| Keyway Length | 2.000 INCHES NOMINAL IN |
| Hub Quantity | 1 |
| Hub Location | BACK SIDE |
| Keyway Width | 0.375 INCHES NOMINAL IN |
| Material | NICKEL ALLOY |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Blade Type | FORWARD 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 |
|---|---|
| 08-500-823-00554 PRIMARY | Itt Goulds Pumps, Inc. (USA) |
| 08-500-823-00-554-AP | Acme Products & Engineering Inc (USA) |
| Reference | Meaning |
|---|---|
| 08-500-823-00-5 | C/1 Advisory reference — outside the item-of-supply concept Allis Chalmers Corp |
| 08-500-823 PIECE 63 | 5/9 Secondary reference Itt Fluid Technology Corp |
| 08-500-823-00-554 | 5/9 Secondary reference U.S. Government activity |
| 08-500-823 PIECE 63 | 5/9 Secondary reference U.S. Government activity |
| 08-500-823-00-554 | 5/9 Secondary reference Itt Fluid Technology Corp |
| 08-500-823 | D/9 Drawing number reference only U.S. Government activity |
NSN 4320-01-200-8034 is a Impeller,pump,centrifugal, manufactured by Itt Goulds Pumps, Inc., classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-200-8034 has 2 manufacturer part numbers on file: 08-500-823-00554 (Itt Goulds Pumps, Inc.), 08-500-823-00-554-AP (Acme Products & Engineering Inc).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-200-8872. Verify interchangeability with system specifications before substitution.
Key specifications for 08-500-823-00554: Keyway Type: RECTANGULAR; Keyway Depth: 0.094 INCHES NOMINAL IN; Hub Bore Diameter: 1.625 INCHES NOMINAL IN; Hub Length: 0.812 INCHES NOMINAL IN. 17 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.