The Pump Unit,centrifugal, cataloged under National Stock Number 4320-01-400-3312, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 21 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-400-3312 |
| Primary Part Number | 803-6962399 SHEET 2.4QA |
| Item Name | Pump Unit,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Phase | THREE |
| Intake Connection Type | ROUND FLANGE |
| Frequency in Hertz | 60.0 |
| Inclosure Type | FULLY INCLOSED |
| Current Type | AC |
| Pumping Element Operating Position | HORIZONTAL |
| Prime Mover Power Rating | 50.0 HORSEPOWER |
| Centrifugal Pump Impeller Quantity | 1 |
| Criticality Code Justification | ZZZY |
| Voltage in Volts | 440.0 |
| Cooling Method | BLOWER COOLED |
| Prime Mover Quantity | 1 |
| Operating Speed at Rated Capacity | 1800.0 REVOLUTIONS PER MINUTE |
| Pump Quantity | 1 |
| Prime Mover Cooling Medium | AIR |
| Discharge Pressure | 5.0 ENERGY EFFICIENT - FEMP - LOW STANDBY POWER - OFFICE EQUIPMENT -INTEGRATED COMPUTERS |
| Maximum Discharge Flow Rate | 822.0 GALLONS PER MINUTE |
| Discharge Connection Type | ROUND FLANGE |
| Prime Mover Type | ELECTRIC MOTOR |
| Reference Number Differentiating Characteristics | QUALITY ASSURANCE TESTED FOR SURFFACE OR SUBMARINE APPLICATION |
| Current Rating in Amps | 137.0 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 803-6962399 SHEET 2.4QA | Naval Inventory Control Point Mechanicsburg (USA) |
| 6962399 SHEET 2.4QA | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 6962399 SHEET 2.4 | 3/1 Design control — primary reference Naval Sea Systems Command |
| 803-6962399 SHEET 2.4 | 5/1 Secondary reference Naval Sea Systems Command |
NSN 4320-01-400-3312 is a Pump Unit,centrifugal, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-400-3312 has 2 manufacturer part numbers on file: 803-6962399 SHEET 2.4QA (Naval Inventory Control Point Mechanicsburg), 6962399 SHEET 2.4QA (Naval Inventory Control Point Mechanicsburg).
Key specifications for 803-6962399 SHEET 2.4QA: Phase: THREE; Intake Connection Type: ROUND FLANGE; Frequency in Hertz: 60.0; Inclosure Type: FULLY INCLOSED. 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.