The Pump Unit,centrifugal, cataloged under National Stock Number 4320-01-172-7766, 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 15 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-172-7766 |
| Primary Part Number | V-54991-2 |
| 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 | UNTHREADED INTERNAL |
| Frequency in Hertz | 60.0 |
| Current Type | AC |
| Prime Mover Power Rating | 2.500 HORSEPOWER |
| Voltage in Volts | 230.0 AND 460.0 |
| Prime Mover Quantity | 1 |
| Operating Speed at Rated Capacity | 3500.0 REVOLUTIONS PER MINUTE |
| Pump Quantity | 1 |
| Maximum Discharge Flow Rate | 3.0 GALLONS PER MINUTE |
| Discharge Connection Type | UNTHREADED INTERNAL |
| Intake Connection Quantity | 1 |
| Prime Mover Type | ELECTRIC MOTOR |
| Media for Which Designed | WATER, DISTILLED |
| 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 |
|---|---|
| V-54991-2 PRIMARY | Ampco Pumps Company Llc (USA) |
| Reference | Meaning |
|---|---|
| EDS-V-54991-2 | 5/9 Secondary reference Ampco Pumps Company Llc |
| EDS-V-54991-2 | 5/9 Secondary reference Ampco Metal Inc. Dba Ampco Metal Inc |
NSN 4320-01-172-7766 is a Pump Unit,centrifugal, manufactured by Ampco Pumps Company Llc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-172-7766 has 1 manufacturer part number on file: V-54991-2 (Ampco Pumps Company Llc).
Key specifications for V-54991-2: Discharge Connection Quantity: 1; Phase: THREE; Intake Connection Type: UNTHREADED INTERNAL; Frequency in Hertz: 60.0. 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.