The Pump,axial Pistons, cataloged under National Stock Number 4320-01-018-6557, 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 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-018-6557 |
| Primary Part Number | PVB15-LDY-31-M-10 |
| 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 INTERNAL |
| Pumping Element Operating Position | HORIZONTAL |
| Drive Shaft Length | 1.935 INCHES NOMINAL IN |
| Unpackaged Unit Length | 7.440 INCHES NOMINAL IN |
| Reciprocating Stroke Type | VARIABLE |
| Operating Speed at Rated Capacity | 1800.0 REVOLUTIONS PER MINUTE |
| Pump Reciprocating Design | SINGLE ACTING |
| Unpackaged Unit Width | 8.0000 INCHES NOMINAL IN |
| Discharge Connection Thread Size and Series/type Designator | 1.625-12 UN |
| Drive Shaft Type | MACHINE KEYWAY |
| Intake Connection Thread Size and Series/type Designator | 1.625-12 UN |
| Unpackaged Unit Height | 7.560 INCHES NOMINAL IN |
| Volume Control Type | PUSH-PULL |
| Discharge Pressure | 000.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING SILICA FUME |
| Cylinder Quantity | 9 |
| Maximum Discharge Flow Rate | 15.5 GALLONS PER MINUTE |
| Drive Shaft End Diameter | 0.874 INCHES MINIMUM AND 0.875 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 |
|---|---|
| PVB15-LDY-31-M-10 PRIMARY | Eaton Aerospace, Llc Dba Jackson South (USA) |
| Reference | Meaning |
|---|---|
| PVB15-LDY-30-M-10 | 5/9 Secondary reference Eaton Aerospace, Llc Dba Jackson South |
| PVB-10-LDY-30-H | C/1 Advisory reference — outside the item-of-supply concept Eaton Aerospace, Llc Dba Jackson South |
| PV15-LDY-31-M-10 | 5/9 Secondary reference Eaton Aerospace, Llc Dba Jackson South |
| PVB15-LDY-30-M- | C/1 Advisory reference — outside the item-of-supply concept Eaton Aerospace, Llc Dba Jackson South |
| 1026-40101 PC 13 | 5/9 Secondary reference Jbf Scientific Corp |
| 16149B | C/1 Advisory reference — outside the item-of-supply concept Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S |
NSN 4320-01-018-6557 is a Pump,axial Pistons, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-018-6557 has 1 manufacturer part number on file: PVB15-LDY-31-M-10 (Eaton Aerospace, Llc Dba Jackson South).
Key specifications for PVB15-LDY-31-M-10: Discharge Connection Quantity: 1; Pumping Element Type: PISTON; Intake Connection Type: THREADED INTERNAL; Pumping Element Operating Position: HORIZONTAL. 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.