The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-01-225-1571, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Trillium Pumps Usa, Inc.. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-225-1571 |
| Primary Part Number | 620233 |
| Item Name | Impeller,pump,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Trillium Pumps Usa, Inc. |
| Status | ACTIVE |
| Design Type | SINGLE WIDTH |
| Overall Diameter | 4.031 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| Rotation Direction for Which Designed | CLOCKWISE |
| 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 |
|---|---|
| 620233-FULL TRIM-BRONZE | Trillium Pumps Usa, Inc. (USA) |
| 620233 PRIMARY | Trillium Pumps Usa, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 620233-FULL TRI | C/1 Advisory reference — outside the item-of-supply concept Trillium Pumps Usa, Inc. |
NSN 4320-01-225-1571 is a Impeller,pump,centrifugal, manufactured by Trillium Pumps Usa, Inc., classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-225-1571 has 2 manufacturer part numbers on file: 620233-FULL TRIM-BRONZE (Trillium Pumps Usa, Inc.), 620233 (Trillium Pumps Usa, Inc.).
Key specifications for 620233: Design Type: SINGLE WIDTH; Overall Diameter: 4.031 INCHES NOMINAL IN; End Item Identification: 4320-01-211-7062; Material: COPPER ALLOY. 4 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.