The Pump Unit,centrifugal, cataloged under National Stock Number 4320-00-403-3254, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 29 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-403-3254 |
| Primary Part Number | 145547-1 |
| Item Name | Pump Unit,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | L3harris Technologies, Inc Div Space & Airborne Systems |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Phase | THREE |
| Intake Connection Type | THREADED INTERNAL |
| Frequency in Hertz | 400.0 |
| Inclosure Type | PARTIALLY INCLOSED |
| Current Type | AC |
| Pumping Element Operating Position | HORIZONTAL |
| Suction Lift | 22.000 FEET FT |
| Centrifugal Pump Impeller Quantity | 1 |
| Voltage in Volts | 208.0 |
| Cooling Method | AIR TO AIR COOLED |
| Prime Mover Quantity | 1 |
| Centrifugal Pump Impeller Suction Type | SINGLE |
| Operating Speed at Rated Capacity | 1800.0 REVOLUTIONS PER MINUTE |
| Pump Quantity | 1 |
| Features Provided | SELF-PRIMING |
| Discharge Connection Thread Size and Series/type Designator | 1.125-11-1/2 NPT |
| Prime Mover Cooling Medium | AIR |
| Intake Connection Thread Size and Series/type Designator | 1.125-11-1/2 NPT |
| Stage Quantity | 1 |
| Environmental Protection | DRIPPROOF |
| Maximum Discharge Flow Rate | 17.5 GALLONS PER MINUTE |
| Discharge Connection Type | THREADED INTERNAL |
| Intake Connection Quantity | 1 |
| Prime Mover Type | ELECTRIC MOTOR |
| Media for Which Designed | ETHYLENE GLYCOL AND WATER, FRESH |
| Mounting Type | BASE |
| Centrifugal Pump Design | RADIAL FLOW |
| Total Head | 161.000 FEET FT |
| 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 |
|---|---|
| 145547-1 | L3harris Technologies, Inc Div Space & Airborne Systems (USA) |
| Reference | Meaning |
|---|---|
| 9420CA924 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4320-00-403-3254 is a Pump Unit,centrifugal, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-403-3254 has 1 manufacturer part number on file: 145547-1 (L3harris Technologies, Inc Div Space & Airborne Systems).
Key specifications for 145547-1: Discharge Connection Quantity: 1; Phase: THREE; Intake Connection Type: THREADED INTERNAL; Frequency in Hertz: 400.0. 29 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.