The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-01-068-1535, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-068-1535 |
| Primary Part Number | 657D1443B318A |
| Item Name | Impeller,pump,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | ACTIVE |
| Keyway Type | STRAIGHT |
| Hub Bore Diameter | 1.500 INCHES MINIMUM AND 1.501 INCHES MAXIMUM IN |
| Design Type | SINGLE WIDTH |
| Overall Diameter | 8.625 INCHES NOMINAL IN |
| Mounting Method | KEY |
| Keyway Quantity | 1 |
| Hub Projection Length Beyond Wheel Side | 0.812 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN |
| Blade Quantity | 5 |
| Keyway Length | 1.625 INCHES NOMINAL IN |
| Hub Quantity | 2 |
| Hub Location | BACK SIDE AND FRONT SIDE |
| Keyway Width | 0.250 INCHES NOMINAL IN |
| Material | NICKEL ALLOY |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| 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 |
|---|---|
| 657D1443B318A PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| 4320-01-068-1535 | Capitol Engine Co, Inc Dba Salmini Worldwide (USA) |
| 150046000-10-880 | Euramco Safety Inc (USA) |
| Reference | Meaning |
|---|---|
| A620 | 5/9 Secondary reference Circor Naval Solutions Llc Dba Warren Pumps |
| N0-18066 | C/1 Advisory reference — outside the item-of-supply concept Circor Naval Solutions Llc Dba Warren Pumps |
| ND-18066-8.625IN. | D/9 Drawing number reference only Circor Naval Solutions Llc Dba Warren Pumps |
| 999R0185PC10 | 5/9 Secondary reference Circor Naval Solutions Llc Dba Warren Pumps |
| 50046000-10-880 | 5/9 Secondary reference Euramco Safety Inc |
NSN 4320-01-068-1535 is a Impeller,pump,centrifugal, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-068-1535 has 3 manufacturer part numbers on file: 657D1443B318A (Circor Naval Solutions Llc Dba Warren Pumps), 4320-01-068-1535 (Capitol Engine Co, Inc Dba Salmini Worldwide), 150046000-10-880 (Euramco Safety Inc).
Key specifications for 657D1443B318A: Keyway Type: STRAIGHT; Hub Bore Diameter: 1.500 INCHES MINIMUM AND 1.501 INCHES MAXIMUM IN; Design Type: SINGLE WIDTH; Overall Diameter: 8.625 INCHES NOMINAL 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.