The Pump Unit,centrifugal, cataloged under National Stock Number 4320-01-422-5733, 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 28 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-422-5733 |
| Primary Part Number | D-1021-1.5X1X6(Y744271) |
| Item Name | Pump Unit,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| 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 | 7.5 HORSEPOWER |
| Centrifugal Pump Impeller Quantity | 1 |
| Voltage in Volts | 440.0 |
| Cooling Method | AIR TO AIR COOLED |
| Prime Mover Quantity | 1 |
| Centrifugal Pump Impeller Suction Type | SINGLE |
| Operating Speed at Rated Capacity | 3550.0 REVOLUTIONS PER MINUTE |
| Pump Quantity | 1 |
| Prime Mover Cooling Medium | AIR |
| Stage Quantity | 1 |
| Discharge Pressure | 0.2 LIGHT COMMERCIAL HEATING AND COOLING - ENERGY STAR-HEATING AND COOLING - ENERGY EFFICIENT PRODUCTS |
| Environmental Protection | DRIPPROOF |
| Maximum Discharge Flow Rate | 35.0 GALLONS PER MINUTE |
| Discharge Connection Type | ROUND FLANGE |
| Intake Connection Quantity | 1 |
| Prime Mover Type | ELECTRIC MOTOR |
| Media for Which Designed | WATER, FRESH |
| Operation Relationship Design | SIMULTANEOUS |
| Centrifugal Pump Design | MIXED FLOW |
| Total Head | 185.000 FEET FT |
| Current Rating in Amps | 12.7 |
| 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 |
|---|---|
| D-1021-1.5X1X6(Y744271) PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| Reference | Meaning |
|---|---|
| D-1021-1.5X1X6(Y744271) | 5/9 Secondary reference U.S. Government activity |
| D-1021-Y-744271 | 5/9 Secondary reference U.S. Government activity |
| D-1021-1.5X1X6- | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| D-1021-Y-744271 | 5/1 Secondary reference Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| D-1021 | 5/9 Secondary reference U.S. Government activity |
| D-1021 | 5/1 Secondary reference Curtiss-Wright Electro-Mechanical Corporation Div Epd |
NSN 4320-01-422-5733 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 4320-01-422-5733 has 1 manufacturer part number on file: D-1021-1.5X1X6(Y744271) (Curtiss-Wright Electro-Mechanical Corporation Div Epd).
Key specifications for D-1021-1.5X1X6(Y744271): Discharge Connection Quantity: 1; Phase: THREE; Intake Connection Type: ROUND FLANGE; Frequency in Hertz: 60.0. 28 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.