The Pump Unit,rotary, cataloged under National Stock Number 4320-01-129-5597, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 26 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-129-5597 |
| Primary Part Number | 4272K4 |
| Item Name | Pump Unit,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Phase | SINGLE |
| Intake Connection Type | THREADED INTERNAL |
| Frequency in Hertz | 60.0 |
| Inclosure Type | FULLY INCLOSED |
| Current Type | AC |
| Pumping Element Operating Position | HORIZONTAL |
| Prime Mover Power Rating | 0.333 HORSEPOWER |
| Unpackaged Unit Length | 14.0625 INCHES NOMINAL IN |
| Voltage in Volts | 115.0 |
| Prime Mover Quantity | 1 |
| Operating Speed at Rated Capacity | 1725.0 REVOLUTIONS PER MINUTE |
| Pump Quantity | 1 |
| Unpackaged Unit Width | 5.6875 INCHES NOMINAL IN |
| Discharge Connection Thread Size and Series/type Designator | 0.375-18 NPT |
| Intake Connection Thread Size and Series/type Designator | 0.375-18 NPT |
| Unpackaged Unit Height | 5.750 INCHES NOMINAL IN |
| Discharge Pressure | 5.0 LOW VOLATILE ORGANIC COMPOUND - SOLVENTS - SOLVENTS |
| Rotary Pump Design | GEAR |
| Discharge Connection Type | THREADED INTERNAL |
| Intake Connection Quantity | 1 |
| Material | COPPER ALLOY PUMP BASIC |
| Prime Mover Type | ELECTRIC MOTOR |
| Media for Which Designed | OIL AND WATER, FRESH |
| Mounting Type | BASE |
| Current Rating in Amps | 2.1 |
| 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 |
|---|---|
| 4272K4 PRIMARY | Mcmaster-Carr Supply Co (USA) |
NSN 4320-01-129-5597 is a Pump Unit,rotary, manufactured by Mcmaster-Carr Supply Co, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-129-5597 has 1 manufacturer part number on file: 4272K4 (Mcmaster-Carr Supply Co).
Key specifications for 4272K4: Discharge Connection Quantity: 1; Phase: SINGLE; Intake Connection Type: THREADED INTERNAL; Frequency in Hertz: 60.0. 26 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.