The Pump Unit,rotary, cataloged under National Stock Number 4320-01-189-0875, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Prototype Machine Company Dba Randolph Austin Company Div Randolph Austin Company. Government technical data includes 17 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4320-01-189-0875 |
| Primary Part Number | 610-101 |
| Item Name | Pump Unit,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Prototype Machine Company Dba Randolph Austin Company Div Randolph Austin Company |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Phase | SINGLE |
| Frequency in Hertz | 60.0 |
| Inclosure Type | FULLY INCLOSED |
| Current Type | AC |
| Pumping Element Operating Position | HORIZONTAL |
| Prime Mover Power Rating | 0.250 HORSEPOWER |
| Voltage in Volts | 115.0 |
| Cooling Method | AIR TO AIR COOLED |
| Prime Mover Quantity | 1 |
| Operating Speed at Rated Capacity | 400.0 REVOLUTIONS PER MINUTE |
| Pump Quantity | 1 |
| Prime Mover Cooling Medium | AIR |
| Maximum Discharge Flow Rate | 3.1 GALLONS PER MINUTE |
| Intake Connection Quantity | 1 |
| Prime Mover Type | ELECTRIC MOTOR |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 610-101 PRIMARY | Prototype Machine Company Dba Randolph Austin Company Div Randolph Austin Company (USA) |
| Reference | Meaning |
|---|---|
| 610-101 | 5/9 Secondary reference Randolph Co |
| 610-101 | 5/9 Secondary reference Randolph Austin Co |
| 2910M0D610 PM0 | C/1 Advisory reference — outside the item-of-supply concept Randolph Co |
NSN 4320-01-189-0875 is a Pump Unit,rotary, manufactured by Prototype Machine Company Dba Randolph Austin Company Div Randolph Austin Company, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-189-0875 has 1 manufacturer part number on file: 610-101 (Prototype Machine Company Dba Randolph Austin Company Div Randolph Austin Company).
3 possible matches (shared part number, not a government interchangeability claim): 5970-01-235-0699, 2810-01-300-6322, 5925-01-437-9161. Verify interchangeability with system specifications before substitution.
Key specifications for 610-101: Discharge Connection Quantity: 1; Phase: SINGLE; Frequency in Hertz: 60.0; Inclosure Type: FULLY INCLOSED. 17 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.