The Pump Unit,centrifugal, cataloged under National Stock Number 4320-01-307-1748, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Ampco Pumps Company Llc. Government technical data includes 25 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4320-01-307-1748 |
| Primary Part Number | AA-4765-1-2 |
| Item Name | Pump Unit,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Ampco Pumps Company Llc |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Phase | THREE |
| Intake Connection Type | ROUND FLANGE |
| Frequency in Hertz | 60.0 |
| Inclosure Type | FULLY INCLOSED |
| Current Type | AC |
| Pumping Element Operating Position | HORIZONTAL |
| Prime Mover Power Rating | 3.0 HORSEPOWER |
| Centrifugal Pump Impeller Quantity | 1 |
| Voltage in Volts | 460.0 |
| Cooling Method | SELF VENTILATED |
| Prime Mover Quantity | 1 |
| Centrifugal Pump Impeller Suction Type | SINGLE |
| Operating Speed at Rated Capacity | 3500.0 REVOLUTIONS PER MINUTE |
| Pump Quantity | 1 |
| Prime Mover Cooling Medium | AIR |
| Stage Quantity | 1 |
| Environmental Protection | DRIPPROOF |
| Maximum Discharge Flow Rate | 80.0 GALLONS PER MINUTE |
| Discharge Connection Type | ROUND FLANGE |
| Intake Connection Quantity | 1 |
| Prime Mover Type | ELECTRIC MOTOR |
| Centrifugal Pump Design | RADIAL FLOW |
| Total Head | 70.000 FEET FT |
| Current Rating in Amps | 4.2 |
| 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 |
|---|---|
| AA-4765-1-2 PRIMARY | Ampco Pumps Company Llc (USA) |
| 10005C | Coffin World Water Systems, Llc Dba Coffin World Water Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| AA-4765-1-2 | 5/9 Secondary reference Ampco Metal Inc. Dba Ampco Metal Inc |
NSN 4320-01-307-1748 is a Pump Unit,centrifugal, manufactured by Ampco Pumps Company Llc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-307-1748 has 2 manufacturer part numbers on file: AA-4765-1-2 (Ampco Pumps Company Llc), 10005C (Coffin World Water Systems, Llc Dba Coffin World Water Systems, Llc).
Key specifications for AA-4765-1-2: Discharge Connection Quantity: 1; Phase: THREE; Intake Connection Type: ROUND FLANGE; Frequency in Hertz: 60.0. 25 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.