The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-00-689-2807, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4320-00-689-2807 |
| Item Name | Impeller,pump,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Status | ACTIVE |
| Keyway Type | RECTANGULAR |
| Keyway Depth | 0.094 INCHES NOMINAL IN |
| Hub Bore Diameter | 0.875 INCHES NOMINAL AND 2.000 INCHES NOMINAL IN |
| Hub Length | 0.125 INCHES NOMINAL AND 0.625 INCHES NOMINAL IN |
| Design Type | SINGLE WIDTH |
| Overall Diameter | 5.750 INCHES NOMINAL IN |
| Mounting Method | KEY |
| Keyway Quantity | 1 |
| Hub Projection Length Beyond Wheel Side | 0.875 INCHES NOMINAL AND 1.312 INCHES NOMINAL IN |
| Blade Quantity | 5 |
| Keyway Length | 1.344 INCHES NOMINAL IN |
| Hub Quantity | 2 |
| Hub Location | FRONT SIDE AND BACK SIDE |
| Keyway Width | 0.188 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| Rotation Direction for Which Designed | CLOCKWISE |
| 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 |
| Reference | Meaning |
|---|---|
| 48-2-000-07 | 5/9 Secondary reference Ampco Metal Inc. Dba Ampco Metal Inc |
| 48-3-0154,PC.3 | 5/9 Secondary reference Ampco Metal Inc. Dba Ampco Metal Inc |
| 48-3-0154PC3 | C/1 Advisory reference — outside the item-of-supply concept Ampco Pumps Company Llc |
| 2-0006-07 | 5/9 Secondary reference Ampco Metal Inc. Dba Ampco Metal Inc |
| 48-2-0006-07 | 3/9 Design control — primary reference Ampco Metal Inc. Dba Ampco Metal Inc |
| 48-2-0006-07 | C/1 Advisory reference — outside the item-of-supply concept Ampco Pumps Company Llc |
NSN 4320-00-689-2807 is a Impeller,pump,centrifugal, classified under FSC 4320, Power and Hand Pumps. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5910-01-359-6311. Verify interchangeability with system specifications before substitution.
Key specifications for 4320-00-689-2807: Keyway Type: RECTANGULAR; Keyway Depth: 0.094 INCHES NOMINAL IN; Hub Bore Diameter: 0.875 INCHES NOMINAL AND 2.000 INCHES NOMINAL IN; Hub Length: 0.125 INCHES NOMINAL AND 0.625 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.