The Pump Unit,centrifugal, cataloged under National Stock Number 4320-01-327-6537, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Refrigeration Specialist. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-327-6537 |
| Primary Part Number | 321444A01 |
| Item Name | Pump Unit,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Refrigeration Specialist |
| Status | ACTIVE |
| Discharge Connection Quantity | 2 |
| Phase | SINGLE |
| Intake Connection Type | UNTHREADED EXTERNAL |
| Frequency in Hertz | 60.0 |
| Current Type | AC |
| Unpackaged Unit Length | 7.000 INCHES NOMINAL IN |
| Centrifugal Pump Impeller Quantity | 1 |
| Voltage in Volts | 120.0 |
| Prime Mover Quantity | 1 |
| Unpackaged Unit Width | 4.5000 INCHES NOMINAL IN |
| Unpackaged Unit Height | 4.500 INCHES NOMINAL IN |
| Stage Quantity | 1 |
| Discharge Connection Type | UNTHREADED EXTERNAL |
| Intake Connection Quantity | 1 |
| Material | PLASTIC PUMP BASIC |
| Prime Mover Type | ELECTRIC MOTOR |
| Media for Which Designed | WATER, FRESH |
| Current Rating in Amps | 0.6 |
| 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 |
|---|---|
| 321444A01 | Refrigeration Specialist (USA) |
| Reference | Meaning |
|---|---|
| 321444A01 | 3/9 Design control — primary reference Hoshizaki America Inc |
NSN 4320-01-327-6537 is a Pump Unit,centrifugal, manufactured by Refrigeration Specialist, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-327-6537 has 1 manufacturer part number on file: 321444A01 (Refrigeration Specialist).
Key specifications for 321444A01: Discharge Connection Quantity: 2; Phase: SINGLE; Intake Connection Type: UNTHREADED EXTERNAL; Frequency in Hertz: 60.0. 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.