The Pump Unit,centrifugal, cataloged under National Stock Number 4320-01-312-4086, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-312-4086 |
| Primary Part Number | RW172634 |
| Item Name | Pump Unit,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| Phase | THREE |
| Frequency in Hertz | 60.0 |
| Current Type | AC |
| Prime Mover Power Rating | 20.0 HORSEPOWER |
| Voltage in Volts | 440.0 |
| Cooling Method | BLOWER COOLED |
| Prime Mover Quantity | 1 |
| Operating Speed at Rated Capacity | 3600.0 REVOLUTIONS PER MINUTE |
| Prime Mover Cooling Medium | AIR |
| Environmental Protection | DRIPPROOF |
| Maximum Discharge Flow Rate | 155.0 GALLONS PER MINUTE |
| Prime Mover Type | ELECTRIC MOTOR |
| 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 |
|---|---|
| RW172634 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| Reference | Meaning |
|---|---|
| RW172634 | 5/9 Secondary reference U.S. Government activity |
| 3257559 | 7/2 Vendor item drawing reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 4320-01-312-4086 is a Pump Unit,centrifugal, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-312-4086 has 1 manufacturer part number on file: RW172634 (Curtiss-Wright Electro-Mechanical Corporation Div Epd).
Key specifications for RW172634: Phase: THREE; Frequency in Hertz: 60.0; Current Type: AC; Prime Mover Power Rating: 20.0 HORSEPOWER. 12 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.