The Pump,axial Pistons, cataloged under National Stock Number 4320-00-540-0189, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 22 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 | 4320-00-540-0189 |
| Primary Part Number | AA32529L2 |
| Item Name | Pump,axial Pistons |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Eaton Aerospace, Llc Dba Jackson South |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Pumping Element Type | PISTON |
| Intake Connection Type | THREADED EXTERNAL |
| Pumping Element Operating Position | HORIZONTAL |
| Drive Shaft Length | 1.125 INCHES NOMINAL IN |
| Drive Connection Type | RIGID COUPLED |
| Reciprocating Stroke Type | VARIABLE |
| Operating Speed at Rated Capacity | 3860.0 REVOLUTIONS PER MINUTE |
| Pump Reciprocating Design | SINGLE ACTING |
| Control Location | LEFT SIDE |
| Discharge Connection Thread Size and Series/type Designator | 0.750-16 UNF |
| Drive Shaft Type | SPLINED, STRAIGHT EXTERNAL |
| Intake Connection Thread Size and Series/type Designator | 1.062-12 UN |
| Volume Control Type | PRESSURE COMPENSATION |
| Discharge Pressure | 000.0 ENERGY EFFICIENT - FEMP - LOW STANDBY POWER - OFFICE EQUIPMENT -INTEGRATED COMPUTERS |
| Cylinder Quantity | 9 |
| Maximum Discharge Flow Rate | 9.1 GALLONS PER MINUTE |
| Drive Shaft End Diameter | 0.664 INCHES MAXIMUM IN |
| Discharge Connection Type | THREADED INTERNAL |
| Intake Connection Quantity | 1 |
| Media for Which Designed | HYDROCARBON FUELS AND OILS |
| Pump Rotation Direction | COUNTERCLOCKWISE |
| 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 |
|---|---|
| AA32529L2 PRIMARY | Eaton Aerospace, Llc Dba Jackson South (USA) |
NSN 4320-00-540-0189 is a Pump,axial Pistons, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-540-0189 has 1 manufacturer part number on file: AA32529L2 (Eaton Aerospace, Llc Dba Jackson South).
Key specifications for AA32529L2: Discharge Connection Quantity: 1; Pumping Element Type: PISTON; Intake Connection Type: THREADED EXTERNAL; Pumping Element Operating Position: HORIZONTAL. 22 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.