The Pump Unit,centrifugal, cataloged under National Stock Number 4320-00-081-6457, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-081-6457 |
| Primary Part Number | R933 |
| Item Name | Pump Unit,centrifugal |
| FSC / FSG | 4320 / 43 — No Item Name Available |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | ACTIVE |
| Centrifugal Pump Impeller Quantity | 6 |
| Cooling Method | SELF VENTILATED |
| Current Type | AC |
| Phase | THREE |
| Centrifugal Pump Impeller Suction Type | SINGLE |
| Pump Quantity | 1 |
| Frequency in Hertz | 440.0 |
| Inclosure Type | PARTIALLY INCLOSED |
| Voltage in Volts | 440.0 |
| Centrifugal Pump Design | RADIAL FLOW |
| Operating Speed at Rated Capacity | 3500.0 REVOLUTIONS PER MINUTE |
| Prime Mover Type | ELECTRIC MOTOR |
| Discharge Connection Quantity | 1 |
| Stage Quantity | 6 |
| Prime Mover Quantity | 1 |
| Volume Control Type | ROTARY |
| Prime Mover Cooling Medium | AIR |
| Media for Which Designed | WATER, FRESH |
| Maximum Discharge Flow Rate | 300.0 GALLONS PER MINUTE |
| Current Rating in Amps | 180.0 |
| Intake Connection Type | ROUND FLANGE |
| Intake Connection Quantity | 1 |
| Total Head | 1076.000 FEET FT |
| Discharge Connection Type | ROUND FLANGE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| SSBN616-208-2012103 | Naval Ship Systems Command (USA) |
| R933 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
NSN 4320-00-081-6457 is a Pump Unit,centrifugal, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4320 (No Item Name Available). Status: active.
NSN 4320-00-081-6457 has 2 cross-referenced part numbers: SSBN616-208-2012103 (Naval Ship Systems Command), R933 (Circor Naval Solutions Llc Dba Warren Pumps).
There is 1 known substitute for 4320-00-081-6457: 2530-00-276-0396. Verify interchangeability with system specifications before substitution.
Key specifications for R933: Centrifugal Pump Impeller Quantity: 6; Cooling Method: SELF VENTILATED; Current Type: AC; Phase: THREE. 24 total characteristics are documented in the Federal Logistics Information System.