The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-01-573-4474, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Little Giant Pump Co. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-573-4474 |
| Primary Part Number | 153520 |
| Item Name | Impeller,pump,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Little Giant Pump Co |
| Status | ACTIVE |
| 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 |
|---|---|
| 153520 PRIMARY | Little Giant Pump Co (USA) |
| Reference | Meaning |
|---|---|
| 153508 | 3/9 Design control — primary reference Little Giant Pump Co |
NSN 4320-01-573-4474 is a Impeller,pump,centrifugal, manufactured by Little Giant Pump Co, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-573-4474 has 1 manufacturer part number on file: 153520 (Little Giant Pump Co).
2 possible matches (shared part number, not a government interchangeability claim): 2040-01-576-7684, 7010-01-731-6536. Verify interchangeability with system specifications before substitution.
Key specifications for 153520: End Item Identification: VCL-45S PUMP CETRIFUGAL 450 GPH. 0 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.