The Pump Unit,centrifugal, cataloged under National Stock Number 4320-01-591-8672, 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. Government technical data includes 7 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-591-8672 |
| Primary Part Number | 509500 |
| Item Name | Pump Unit,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Little Giant Pump Co |
| Status | ACTIVE |
| Unpackaged Unit Length | 10.300 INCHES NOMINAL IN |
| Centrifugal Pump Impeller Quantity | 1 |
| Unpackaged Unit Width | 6.800 INCHES NOMINAL IN |
| Unpackaged Unit Height | 11.600 INCHES NOMINAL IN |
| Volume Control Type | ROTARY |
| Material | IRON CAST PUMP BASIC |
| Media for Which Designed | SEWAGE |
| 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 |
|---|---|
| 509500 PRIMARY | Little Giant Pump Co (USA) |
| 9S-CIA-RFS PRIMARY | Little Giant Pump Co (USA) |
NSN 4320-01-591-8672 is a Pump Unit,centrifugal, manufactured by Little Giant Pump Co, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-591-8672 has 2 manufacturer part numbers on file: 509500 (Little Giant Pump Co), 9S-CIA-RFS (Little Giant Pump Co).
Key specifications for 509500: Unpackaged Unit Length: 10.300 INCHES NOMINAL IN; Centrifugal Pump Impeller Quantity: 1; Unpackaged Unit Width: 6.800 INCHES NOMINAL IN; Unpackaged Unit Height: 11.600 INCHES NOMINAL IN. 7 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.