The Pump Unit,centrifugal, cataloged under National Stock Number 4320-00-273-0874, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. Government technical data includes 28 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-273-0874 |
| Item Name | Pump Unit,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Phase | THREE |
| Intake Connection Type | THREADED INTERNAL |
| Frequency in Hertz | 60.0 |
| Inclosure Type | FULLY INCLOSED |
| Current Type | AC |
| Pumping Element Operating Position | VERTICAL |
| Centrifugal Pump Impeller Quantity | 1 |
| Voltage in Volts | 115.0 |
| Cooling Method | SELF VENTILATED |
| Prime Mover Quantity | 1 |
| Centrifugal Pump Impeller Suction Type | SINGLE |
| Operating Speed at Rated Capacity | 3450.0 REVOLUTIONS PER MINUTE |
| Pump Quantity | 1 |
| Discharge Connection Thread Size and Series/type Designator | 2.500-7 1/2 NH |
| Prime Mover Cooling Medium | AIR |
| Intake Connection Thread Size and Series/type Designator | 2.500-7 1/2 NH |
| Nondefinitive Spec/std Data | 3 CLASS |
| Stage Quantity | 1 |
| Environmental Protection | SUBMERSIBLE |
| Maximum Discharge Flow Rate | 200.0 GALLONS PER MINUTE |
| Discharge Connection Type | THREADED INTERNAL |
| Intake Connection Quantity | 1 |
| Prime Mover Type | ELECTRIC MOTOR |
| Media for Which Designed | WATER, SALT |
| Centrifugal Pump Design | RADIAL FLOW |
| Total Head | 50.000 FEET FT |
| Current Rating in Amps | 30.0 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MILP17454 | 4/1 Identification reference U.S. Government activity |
| 777H115VACNM | 3/2 Design control — primary reference U.S. Government activity |
NSN 4320-00-273-0874 is a Pump Unit,centrifugal, classified under FSC 4320, Power and Hand Pumps. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 4320-00-554-9466, 4320-01-268-4448. Verify interchangeability with system specifications before substitution.
Key specifications for 4320-00-273-0874: Discharge Connection Quantity: 1; Phase: THREE; Intake Connection Type: THREADED INTERNAL; Frequency in Hertz: 60.0. 28 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.