The Pump Unit,centrifugal, cataloged under National Stock Number 4320-00-258-2695, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.. Government technical data includes 30 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-258-2695 |
| Primary Part Number | 322788G1 |
| Item Name | Pump Unit,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Phase | THREE |
| Intake Connection Type | FLARED TUBE |
| Frequency in Hertz | 400.0 |
| Inclosure Type | FULLY INCLOSED |
| Current Type | AC |
| Pumping Element Operating Position | HORIZONTAL |
| Prime Mover Power Rating | 0.250 HORSEPOWER |
| Centrifugal Pump Impeller Quantity | 1 |
| Voltage in Volts | 115.0 AND 200.0 |
| Cooling Method | BLOWER COOLED |
| Prime Mover Quantity | 1 |
| Centrifugal Pump Impeller Suction Type | SINGLE |
| Pump Quantity | 1 |
| Control Location | LEFT SIDE |
| Features Provided | SELF-PRIMING |
| Discharge Connection Thread Size and Series/type Designator | 0.562-18 UNIFIED NATIONAL JOINT FINE (UNJF) |
| Prime Mover Cooling Medium | AIR |
| Intake Connection Thread Size and Series/type Designator | 0.562-18 UNIFIED NATIONAL JOINT FINE (UNJF) |
| Volume Control Type | PRESSURE COMPENSATION |
| Stage Quantity | 1 |
| Discharge Pressure | 0.0 WATER CONSERVING - WATER SAVING TECHNOLOGIES - LOW-FLOW PRE-RINSE SPRAY VALVES |
| Environmental Protection | DUST-IGNITION PROOF |
| Maximum Discharge Flow Rate | 1.4 GALLONS PER MINUTE |
| Discharge Connection Type | THREADED INTERNAL |
| Intake Connection Quantity | 1 |
| Prime Mover Type | ELECTRIC MOTOR |
| Media for Which Designed | ETHYLENE GLYCOL |
| Operation Relationship Design | SIMULTANEOUS |
| Centrifugal Pump Design | RADIAL FLOW |
| 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 |
|---|---|
| 322788G1 PRIMARY | Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (USA) |
| 322789 | Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 1137831-1 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 322788G1 | 5/9 Secondary reference Howden Fluid Systems |
| 1137831-1 | 5/9 Secondary reference Bae Systems Information and Electronic Systems Integration I |
| 322789 | 5/9 Secondary reference Howden Fluid Systems |
NSN 4320-00-258-2695 is a Pump Unit,centrifugal, manufactured by Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc., classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-258-2695 has 2 manufacturer part numbers on file: 322788G1 (Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.), 322789 (Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.).
Key specifications for 322788G1: Discharge Connection Quantity: 1; Phase: THREE; Intake Connection Type: FLARED TUBE; Frequency in Hertz: 400.0. 30 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.