The Pump Unit,rotary, cataloged under National Stock Number 4320-01-028-4532, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-028-4532 |
| Item Name | Pump Unit,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Status | ACTIVE |
| Inclosure Type | FULLY INCLOSED |
| Current Type | DC |
| Prime Mover Power Rating | 1.000 HORSEPOWER |
| Voltage in Volts | 28.0 |
| Prime Mover Quantity | 1 |
| Operating Speed at Rated Capacity | 3500.0 REVOLUTIONS PER MINUTE |
| Pump Quantity | 1 |
| Control Location | CENTER |
| Volume Control Type | HYDRAULIC CYLINDER |
| Discharge Pressure | 200.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING CENOSPHERES |
| Maximum Discharge Flow Rate | 1.0 GALLONS PER MINUTE |
| Rotary Pump Design | GEAR |
| Prime Mover Type | ELECTRIC MOTOR |
| Media for Which Designed | HYDROCARBON FUELS AND OILS |
| Operation Relationship Design | SIMULTANEOUS |
| Current Rating in Amps | 40.0 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| PMP05VC-44 | 5/2 Secondary reference U.S. Government activity |
| 63082 | 3/2 Design control — primary reference U.S. Government activity |
| 209-076-025-1 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 4320-01-028-4532 is a Pump Unit,rotary, classified under FSC 4320, Power and Hand Pumps. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5998-01-034-4088, 5350-01-647-7487. Verify interchangeability with system specifications before substitution.
Key specifications for 4320-01-028-4532: Inclosure Type: FULLY INCLOSED; Current Type: DC; Prime Mover Power Rating: 1.000 HORSEPOWER; Voltage in Volts: 28.0. 16 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 4320-01-028-4532 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.