The Pump Unit,centrifugal, cataloged under National Stock Number 4320-01-250-5928, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 26 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 | 4320-01-250-5928 |
| Primary Part Number | 8256K12 |
| Item Name | Pump Unit,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Mcmaster-Carr Supply Co |
| 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 |
| Prime Mover Power Rating | 15.0 HORSEPOWER |
| Centrifugal Pump Impeller Quantity | 1 |
| Voltage in Volts | 230.0 AND 460.0 |
| Cooling Method | BLOWER COOLED |
| 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 |
| Maximum Discharge Flow Rate | 370.0 GALLONS PER MINUTE |
| Discharge Connection Type | ROUND FLANGE |
| Intake Connection Quantity | 1 |
| Material | IRON PUMP BASIC |
| Prime Mover Type | ELECTRIC MOTOR |
| Media for Which Designed | HYDROCARBON FUELS AND OILS AND LIQUID AND WATER, FRESH AND WATER, SALT |
| Mounting Type | BASE |
| Centrifugal Pump Design | MIXED FLOW |
| Total Head | 135.000 FEET FT |
| Current Rating in Amps | 48.6 AND 24.3 |
| 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 |
|---|---|
| 8256K12 PRIMARY | Mcmaster-Carr Supply Co (USA) |
NSN 4320-01-250-5928 is a Pump Unit,centrifugal, manufactured by Mcmaster-Carr Supply Co, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-250-5928 has 1 manufacturer part number on file: 8256K12 (Mcmaster-Carr Supply Co).
Key specifications for 8256K12: Discharge Connection Quantity: 1; Phase: THREE; Intake Connection Type: ROUND FLANGE; Frequency in Hertz: 60.0. 26 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.