The Pump Unit,centrifugal, cataloged under National Stock Number 4320-01-618-3645, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Marine Air Systems Inc. Government technical data includes 21 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 | 4320-01-618-3645 |
| Primary Part Number | P120Z 332821 |
| Item Name | Pump Unit,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Marine Air Systems Inc |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Phase | SINGLE |
| Intake Connection Type | THREADED INTERNAL |
| Frequency in Hertz | 60.0 |
| Current Type | AC |
| Pumping Element Operating Position | HORIZONTAL |
| Prime Mover Power Rating | 0.33 HORSEPOWER |
| Centrifugal Pump Impeller Quantity | 1 |
| Voltage in Volts | 230.0 |
| Prime Mover Quantity | 1 |
| Operating Speed at Rated Capacity | 3450.0 REVOLUTIONS PER MINUTE |
| Prime Mover Cooling Medium | AIR |
| Intake Connection Thread Size and Series/type Designator | 1.25 NPT |
| Maximum Discharge Flow Rate | 32.0 GALLONS PER MINUTE |
| Discharge Connection Type | THREADED INTERNAL |
| Intake Connection Quantity | 1 |
| Prime Mover Type | ELECTRIC MOTOR |
| Media for Which Designed | WATER, FRESH OR WATER, SALT |
| Mounting Type | BRACKET |
| Centrifugal Pump Design | AXIAL FLOW |
| Current Rating in Amps | 3.5 |
| 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 |
|---|---|
| P120Z 332821 PRIMARY | Marine Air Systems Inc (USA) |
NSN 4320-01-618-3645 is a Pump Unit,centrifugal, manufactured by Marine Air Systems Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-618-3645 has 1 manufacturer part number on file: P120Z 332821 (Marine Air Systems Inc).
Key specifications for P120Z 332821: Discharge Connection Quantity: 1; Phase: SINGLE; Intake Connection Type: THREADED INTERNAL; Frequency in Hertz: 60.0. 21 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.