The Pump Unit,rotary, cataloged under National Stock Number 4320-01-535-0559, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-535-0559 |
| Item Name | Pump Unit,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Phase | SINGLE |
| Current Type | AC |
| Voltage in Volts | 115.0 |
| Intake Connection Thread Size and Series/type Designator | 0.750-16 UNF |
| Discharge Pressure | 0.0 ENERGY EFFICIENT - FEMP - LOW STANDBY POWER - OFFICE EQUIPMENT -INTEGRATED COMPUTERS |
| Environmental Protection | EXPLOSION PROOF |
| Maximum Discharge Flow Rate | 0.0833 GALLONS PER MINUTE |
| Intake Connection Quantity | 1 |
| Prime Mover Type | ELECTRIC MOTOR |
| Media for Which Designed | ALCOHOL AND WATER, FRESH |
| Mounting Type | UNTHREADED HOLE |
| Current Rating in Amps | 4.5 |
| 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 |
|---|---|
| 652371-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4320-01-535-0559 is a Pump Unit,rotary, classified under FSC 4320, Power and Hand Pumps. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 1560-01-687-4614. Verify interchangeability with system specifications before substitution.
Key specifications for 4320-01-535-0559: Discharge Connection Quantity: 1; Phase: SINGLE; Current Type: AC; Voltage in Volts: 115.0. 13 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.