The Pump Unit,centrifugal, cataloged under National Stock Number 4320-01-454-0823, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-454-0823 |
| Primary Part Number | 5983557-2 |
| Item Name | Pump Unit,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Phase | THREE |
| Frequency in Hertz | 400.0 |
| Inclosure Type | FULLY INCLOSED |
| Current Type | AC |
| Pumping Element Operating Position | HORIZONTAL |
| Prime Mover Power Rating | 1850.0 WATTS |
| Voltage in Volts | 440.0 |
| Cooling Method | AIR TO AIR COOLED |
| Prime Mover Quantity | 1 |
| Pump Quantity | 1 |
| Prime Mover Cooling Medium | AIR |
| Discharge Pressure | 20.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING CENOSPHERES |
| Environmental Protection | SPLASH PROOF |
| Maximum Discharge Flow Rate | 7.0 GALLONS PER MINUTE |
| Intake Connection Quantity | 1 |
| Prime Mover Type | ELECTRIC MOTOR |
| Media for Which Designed | LIQUID |
| Centrifugal Pump Design | MIXED FLOW |
| Current Rating in Amps | 2.4 |
| 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 |
|---|---|
| 5983557-2 PRIMARY | Naval Sea Systems Command (USA) |
| 8657 PRIMARY | Cef Industries, Llc Dba Cef Industries Inc (USA) |
| 1524283-2 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| Reference | Meaning |
|---|---|
| 8664 | 5/9 Secondary reference Cef Industries, Llc Dba Cef Industries Inc |
| 1524283 | D/9 Drawing number reference only Lockheed Martin Corporation Div Rms - Mitchel Field |
| 5983557 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4320-01-454-0823 is a Pump Unit,centrifugal, manufactured by Naval Sea Systems Command, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-454-0823 has 3 manufacturer part numbers on file: 5983557-2 (Naval Sea Systems Command), 8657 (Cef Industries, Llc Dba Cef Industries Inc), 1524283-2 (Lockheed Martin Corporation Div Rms - Mitchel Field).
Key specifications for 5983557-2: Discharge Connection Quantity: 1; Phase: THREE; Frequency in Hertz: 400.0; Inclosure Type: FULLY INCLOSED. 20 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.