The Pump Unit,centrifugal, cataloged under National Stock Number 4320-00-899-3256, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. Government technical data includes 26 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-899-3256 |
| Item Name | Pump Unit,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Phase | SINGLE |
| Intake Connection Type | THREADED INTERNAL |
| Frequency in Hertz | 60.0 |
| Inclosure Type | FULLY INCLOSED |
| Current Type | AC |
| Pumping Element Operating Position | HORIZONTAL |
| Prime Mover Power Rating | 0.125 HORSEPOWER |
| Centrifugal Pump Impeller Quantity | 1 |
| Voltage in Volts | 115.0 |
| Cooling Method | AIR TO AIR COOLED |
| 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 | 0.250-18 NPT |
| Prime Mover Cooling Medium | AIR |
| Intake Connection Thread Size and Series/type Designator | 0.250-18 NPT |
| Stage Quantity | 1 |
| Environmental Protection | EXPLOSION PROOF |
| Maximum Discharge Flow Rate | 7.0 GALLONS PER MINUTE |
| Discharge Connection Type | THREADED INTERNAL |
| Intake Connection Quantity | 1 |
| Prime Mover Type | ELECTRIC MOTOR |
| Centrifugal Pump Design | RADIAL FLOW |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY POWER UNIT,CRES PUMP HOUSING AND IMPELLER W/MECHANICAL ROTARY SEAL W/POLYTETRAFLUOROETHYLENE TYPE MOTOR |
| 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 |
|---|---|
| DH11 | 5/9 Secondary reference Howden Fluid Systems |
| DH11 | 3/1 Design control — primary reference Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. |
NSN 4320-00-899-3256 is a Pump Unit,centrifugal, classified under FSC 4320, Power and Hand Pumps. Status: active.
Key specifications for 4320-00-899-3256: Discharge Connection Quantity: 1; Phase: SINGLE; Intake Connection Type: THREADED INTERNAL; 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.