The Pump Unit,reciprocating, cataloged under National Stock Number 4320-01-019-9018, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Neptune Chemical Pump Co Div of R a Industries 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-019-9018 |
| Primary Part Number | 525-E-N1 |
| Item Name | Pump Unit,reciprocating |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Neptune Chemical Pump Co Div of R a Industries Inc |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Pumping Element Type | PISTON |
| Intake Connection Type | THREADED INTERNAL |
| Frequency in Hertz | 60.0 |
| Current Type | AC |
| Pumping Element Operating Position | HORIZONTAL |
| Prime Mover Power Rating | 0.333 HORSEPOWER |
| Reciprocating Stroke Type | FIXED |
| Voltage in Volts | 115.0 |
| Cooling Method | SELF VENTILATED |
| Prime Mover Quantity | 1 |
| Operating Speed at Rated Capacity | 86.0 STROKES PER MINUTE |
| Pump Quantity | 1 |
| Pump Reciprocating Design | SINGLE ACTING |
| Discharge Connection Thread Size and Series/type Designator | 0.500-14 NPT |
| Prime Mover Cooling Medium | AIR |
| Intake Connection Thread Size and Series/type Designator | 0.500-14 NPT |
| Discharge Pressure | 50.0 LOW VOLATILE ORGANIC COMPOUND - SOLVENTS - SOLVENTS |
| Cylinder Quantity | 1 |
| Maximum Discharge Flow Rate | 390.0 GALLONS PER MINUTE |
| Discharge Connection Type | THREADED INTERNAL |
| Intake Connection Quantity | 1 |
| Prime Mover Type | ELECTRIC MOTOR |
| 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 |
|---|---|
| 525-E-N1 PRIMARY | Neptune Chemical Pump Co Div of R a Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 150-S-N1 | 5/9 Secondary reference Neptune Chemical Pump Co Div of R a Industries Inc |
NSN 4320-01-019-9018 is a Pump Unit,reciprocating, manufactured by Neptune Chemical Pump Co Div of R a Industries Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-019-9018 has 1 manufacturer part number on file: 525-E-N1 (Neptune Chemical Pump Co Div of R a Industries Inc).
Key specifications for 525-E-N1: Discharge Connection Quantity: 1; Pumping Element Type: PISTON; 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.
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.