The Pump Unit,centrifugal, cataloged under National Stock Number 4320-00-555-8932, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 22 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-555-8932 |
| Primary Part Number | R57RIGHTHAND |
| Item Name | Pump Unit,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Phase | THREE |
| Intake Connection Type | ROUND FLANGE |
| Frequency in Hertz | 60.0 |
| Inclosure Type | PARTIALLY INCLOSED |
| Current Type | AC |
| Pumping Element Operating Position | HORIZONTAL |
| Prime Mover Power Rating | 2.500 HORSEPOWER |
| Centrifugal Pump Impeller Quantity | 1 |
| Voltage in Volts | 440.0 |
| Prime Mover Quantity | 1 |
| Centrifugal Pump Impeller Suction Type | SINGLE |
| Operating Speed at Rated Capacity | 3500.0 REVOLUTIONS PER MINUTE |
| Pump Quantity | 1 |
| Stage Quantity | 1 |
| Environmental Protection | DRIPPROOF |
| Maximum Discharge Flow Rate | 57.0 GALLONS PER MINUTE |
| Discharge Connection Type | ROUND FLANGE |
| Intake Connection Quantity | 1 |
| Prime Mover Type | ELECTRIC MOTOR |
| Centrifugal Pump Design | RADIAL FLOW |
| Total Head | 80.800 FEET FT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| R57RIGHTHAND PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| R57RH | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| Reference | Meaning |
|---|---|
| S4700-3109541RIGHTHAND | 5/2 Secondary reference U.S. Government activity |
NSN 4320-00-555-8932 is a Pump Unit,centrifugal, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-555-8932 has 2 manufacturer part numbers on file: R57RIGHTHAND (Circor Naval Solutions Llc Dba Warren Pumps), R57RH (Circor Naval Solutions Llc Dba Warren Pumps).
Key specifications for R57RIGHTHAND: Discharge Connection Quantity: 1; Phase: THREE; Intake Connection Type: ROUND FLANGE; Frequency in Hertz: 60.0. 22 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.
NSN 4320-00-555-8932 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.