The Pump Unit,rotary, cataloged under National Stock Number 4320-01-252-9421, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-252-9421 |
| Item Name | Pump Unit,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Intake Connection Type | THREADED INTERNAL |
| Pumping Element Operating Position | HORIZONTAL |
| Prime Mover Power Rating | 0.130 HORSEPOWER |
| Unpackaged Unit Length | 7.3000 INCHES NOMINAL IN |
| Prime Mover Quantity | 1 |
| Pump Quantity | 1 |
| Unpackaged Unit Width | 2.9000 INCHES NOMINAL IN |
| Unpackaged Unit Height | 5.100 INCHES NOMINAL IN |
| Discharge Pressure | 5.0 ENERGY EFFICIENT - FEMP - APPLIANCES - FREEZERS |
| Maximum Discharge Flow Rate | 0.6 GALLONS PER MINUTE |
| Rotary Pump Design | GEAR |
| Discharge Connection Type | THREADED INTERNAL |
| Intake Connection Quantity | 1 |
| Material | STEEL PUMP BASIC |
| Prime Mover Type | PNEUMATIC MOTOR |
| Media for Which Designed | FREON USE REFRIGERANT |
| Mounting Type | BASE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 130-955 | 3/9 Design control — primary reference Micropump Corp |
NSN 4320-01-252-9421 is a Pump Unit,rotary, classified under FSC 4320, Power and Hand Pumps. Status: active.
Key specifications for 4320-01-252-9421: Discharge Connection Quantity: 1; Intake Connection Type: THREADED INTERNAL; Pumping Element Operating Position: HORIZONTAL; Prime Mover Power Rating: 0.130 HORSEPOWER. 18 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.