The Pump Unit,rotary, cataloged under National Stock Number 4320-01-034-1320, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Viking Pump, Inc. Government technical data includes 19 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-034-1320 |
| Primary Part Number | HL4125D |
| Item Name | Pump Unit,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Viking Pump, Inc |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Phase | THREE |
| Frequency in Hertz | 60.0 |
| Inclosure Type | PARTIALLY INCLOSED |
| Current Type | AC |
| Pumping Element Operating Position | HORIZONTAL |
| Prime Mover Power Rating | 1.5 HORSEPOWER |
| Voltage in Volts | 440.0 |
| Prime Mover Quantity | 1 |
| Operating Speed at Rated Capacity | 1200.0 REVOLUTIONS PER MINUTE |
| Pump Quantity | 1 |
| Prime Mover Cooling Medium | OIL |
| Discharge Pressure | 5.0 ENERGY EFFICIENT - FEMP - LOW STANDBY POWER - OFFICE EQUIPMENT -INTEGRATED COMPUTERS |
| Environmental Protection | DRIPPROOF |
| Maximum Discharge Flow Rate | 20.0 GALLONS PER MINUTE |
| Rotary Pump Design | VANE |
| Discharge Connection Type | ROUND FLANGE |
| Prime Mover Type | ELECTRIC MOTOR |
| Mounting Type | BASE |
| 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 |
|---|---|
| HL4125D PRIMARY | Viking Pump, Inc (USA) |
NSN 4320-01-034-1320 is a Pump Unit,rotary, manufactured by Viking Pump, Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-034-1320 has 1 manufacturer part number on file: HL4125D (Viking Pump, Inc).
Key specifications for HL4125D: Discharge Connection Quantity: 1; Phase: THREE; Frequency in Hertz: 60.0; Inclosure Type: PARTIALLY INCLOSED. 19 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.