The Pump Unit,rotary, cataloged under National Stock Number 4320-01-058-8536, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Viking Pump, Inc. Government technical data includes 23 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4320-01-058-8536 |
| Primary Part Number | HL432D |
| Item Name | Pump Unit,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Viking Pump, Inc |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Phase | THREE |
| Intake Connection Type | THREADED INTERNAL |
| Frequency in Hertz | 60.0 |
| Inclosure Type | PARTIALLY INCLOSED |
| Pumping Element Operating Position | HORIZONTAL |
| Prime Mover Power Rating | 1.000 HORSEPOWER |
| Voltage in Volts | 208.0 |
| Cooling Method | SELF VENTILATED |
| Prime Mover Quantity | 1 |
| Pump Quantity | 1 |
| Discharge Connection Thread Size and Series/type Designator | 1.000-18 NPT |
| Prime Mover Cooling Medium | OIL |
| Intake Connection Thread Size and Series/type Designator | 1.500-18 NPT |
| Discharge Pressure | 0.0 WATER CONSERVING - WATER SAVING TECHNOLOGIES - LOW-FLOW PRE-RINSE SPRAY VALVES |
| Environmental Protection | EXPLOSION PROOF |
| Maximum Discharge Flow Rate | 20.0 GALLONS PER MINUTE |
| Rotary Pump Design | GEAR |
| Discharge Connection Type | THREADED INTERNAL |
| Intake Connection Quantity | 1 |
| Prime Mover Type | ELECTRIC MOTOR |
| Media for Which Designed | HYDROCARBON FUELS AND OILS |
| Mounting Type | BASE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| HL432D PRIMARY | Viking Pump, Inc (USA) |
| Reference | Meaning |
|---|---|
| 5SE01031 | 5/9 Secondary reference Wilson Machine Co Inc |
NSN 4320-01-058-8536 is a Pump Unit,rotary, manufactured by Viking Pump, Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-058-8536 has 1 manufacturer part number on file: HL432D (Viking Pump, Inc).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-647-8798. Verify interchangeability with system specifications before substitution.
Key specifications for HL432D: Discharge Connection Quantity: 1; Phase: THREE; Intake Connection Type: THREADED INTERNAL; Frequency in Hertz: 60.0. 23 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 4320-01-058-8536 has DEMIL Code Q. 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.