The Pump,axial Pistons, cataloged under National Stock Number 4320-00-540-4139, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-540-4139 |
| Primary Part Number | 122753 |
| Item Name | Pump,axial Pistons |
| FSC / FSG | 4320 / 43 — No Item Name Available |
| Manufacturer | Eaton Aerospace, Llc Dba Jackson South |
| Status | ACTIVE |
| Intake Connection Quantity | 1 |
| Drive Connection Type | FLEXIBLE COUPLED |
| Drive Shaft End Diameter | 1.748 INCHES MINIMUM AND 1.749 INCHES MAXIMUM IN |
| Operating Speed at Rated Capacity | 1800.0 REVOLUTIONS PER MINUTE |
| Pumping Element Operating Position | HORIZONTAL |
| Intake Connection Type | ROUND FLANGE |
| Reciprocating Stroke Type | VARIABLE |
| Drive Shaft Type | MACHINE KEYWAY |
| Maximum Discharge Flow Rate | 73.0 GALLONS PER MINUTE |
| Pumping Element Type | PISTON |
| Discharge Connection Type | ROUND FLANGE |
| Discharge Connection Quantity | 1 |
| Pump Reciprocating Design | SINGLE ACTING |
| Drive Shaft Length | 2.937 INCHES NOMINAL IN |
| Pump Rotation Direction | CLOCKWISE |
| Media for Which Designed | HYDROCARBON FUELS AND OILS |
| Cylinder Quantity | 9 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| R122753 | Eaton Aerospace, Llc Dba Jackson South (USA) |
| R122750 | Eaton Aerospace, Llc Dba Jackson South (USA) |
| 122753 PRIMARY | Eaton Aerospace, Llc Dba Jackson South (USA) |
| 61362 | Patterson Pump Co Div Patterson Pump Company (USA) |
| N3P2V2050FDBA | Eaton Aerospace, Llc Dba Jackson South (USA) |
| S2000-1170645 | Naval Ship Systems Command (USA) |
| S2000-1170645A | Naval Ship Systems Command (USA) |
NSN 4320-00-540-4139 is a Pump,axial Pistons, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 4320 (No Item Name Available). Status: active.
NSN 4320-00-540-4139 has 7 cross-referenced part numbers: R122753 (Eaton Aerospace, Llc Dba Jackson South), R122750 (Eaton Aerospace, Llc Dba Jackson South), 122753 (Eaton Aerospace, Llc Dba Jackson South), 61362 (Patterson Pump Co Div Patterson Pump Company), N3P2V2050FDBA (Eaton Aerospace, Llc Dba Jackson South) and 2 more.
There are 7 known substitutes for 4320-00-540-4139: 5330-00-037-6867, 5330-00-251-4082, 5940-00-549-1072 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 122753: Intake Connection Quantity: 1; Drive Connection Type: FLEXIBLE COUPLED; Drive Shaft End Diameter: 1.748 INCHES MINIMUM AND 1.749 INCHES MAXIMUM IN; Operating Speed at Rated Capacity: 1800.0 REVOLUTIONS PER MINUTE. 17 total characteristics are documented in the Federal Logistics Information System.