The Pump Unit,centrifugal, cataloged under National Stock Number 4320-01-174-4774, 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 24 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 | 4320-01-174-4774 |
| Primary Part Number | 4323K21 |
| 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 | SINGLE |
| Frequency in Hertz | 60.0 |
| Inclosure Type | FULLY INCLOSED |
| Current Type | AC |
| Pumping Element Operating Position | VERTICAL |
| Prime Mover Power Rating | 0.33 HORSEPOWER |
| Centrifugal Pump Impeller Quantity | 1 |
| Voltage in Volts | 115.0 AND 230.0 |
| Prime Mover Quantity | 1 |
| Centrifugal Pump Impeller Suction Type | SINGLE |
| Pump Quantity | 1 |
| Discharge Connection Thread Size and Series/type Designator | 1.250-11-1/2 NPT |
| Prime Mover Cooling Medium | HYDROCARBON FUELS AND OILS |
| Unpackaged Unit Height | 30.000 INCHES NOMINAL IN |
| Stage Quantity | 1 |
| Environmental Protection | EXPLOSION PROOF |
| Maximum Discharge Flow Rate | 45.0 GALLONS PER MINUTE AND 35.0 GALLONS PER MINUTE AND 22.0 GALLONS PER MINUTE AND 5.33 GALLONS PER MINUTE |
| Discharge Connection Type | THREADED INTERNAL |
| Prime Mover Type | ELECTRIC MOTOR |
| Media for Which Designed | LIQUID |
| Centrifugal Pump Design | RADIAL FLOW |
| Total Head | 10.000 FEET AND 15.000 FEET AND 20.000 FEET AND 25.000 FEET FT |
| Current Rating in Amps | 3.0 |
| 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 |
|---|---|
| 4323K21 PRIMARY | Mcmaster-Carr Supply Co (USA) |
NSN 4320-01-174-4774 is a Pump Unit,centrifugal, manufactured by Mcmaster-Carr Supply Co, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-174-4774 has 1 manufacturer part number on file: 4323K21 (Mcmaster-Carr Supply Co).
Key specifications for 4323K21: Discharge Connection Quantity: 1; Phase: SINGLE; Frequency in Hertz: 60.0; Inclosure Type: FULLY INCLOSED. 24 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.