The Pump,axial Pistons, cataloged under National Stock Number 4320-00-159-0802, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Parker Hannifin Corporation Div Hydraulic Systems Division. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-159-0802 |
| Primary Part Number | 51131 |
| Item Name | Pump,axial Pistons |
| FSC / FSG | 4320 / 43 — No Item Name Available |
| Manufacturer | Parker Hannifin Corporation Div Hydraulic Systems Division |
| Status | ACTIVE |
| Reciprocating Stroke Type | VARIABLE |
| Drive Shaft Type | SPLINED, INVOLUTE EXTERNAL |
| Volume Control Type | PRESSURE COMPENSATION |
| Discharge Connection Thread Size and Series/type Designator | 1.062-12 UN |
| Discharge Connection Type | THREADED INTERNAL |
| Drive Shaft Type | SPLINED, INVOLUTE EXTERNAL |
| Cylinder Quantity | 9 |
| Pump Rotation Direction | COUNTERCLOCKWISE |
| Intake Connection Type | THREADED INTERNAL |
| Drive Shaft Length | 1.500 INCHES MINIMUM AND 1.620 INCHES MAXIMUM IN |
| Drive Connection Type | CLOSE COUPLED |
| Drive Shaft Length | 1.500 INCHES MINIMUM AND 1.620 INCHES MAXIMUM IN |
| Intake Connection Quantity | 1 |
| Operating Speed at Rated Capacity | 4110.0 REVOLUTIONS PER MINUTE |
| Media for Which Designed | HYDROCARBON FUELS AND OILS |
| Volume Control Type | PRESSURE COMPENSATION |
| Operating Speed at Rated Capacity | 4110.0 REVOLUTIONS PER MINUTE |
| Discharge Connection Quantity | 1 |
| Pumping Element Type | PISTON |
| Discharge Pressure | 000.0 ENERGY EFFICIENT - FEMP - LOW STANDBY POWER - OFFICE EQUIPMENT -INTEGRATED COMPUTERS |
| Reciprocating Stroke Type | VARIABLE |
| Pump Reciprocating Design | SINGLE ACTING |
| Pump Rotation Direction | COUNTERCLOCKWISE |
| Intake Connection Thread Size and Series/type Designator | 1.312-12 UN |
| Pump Reciprocating Design | SINGLE ACTING |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 65651-09045-102 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| 51131 PRIMARY | Parker Hannifin Corporation Div Hydraulic Systems Division (USA) |
NSN 4320-00-159-0802 is a Pump,axial Pistons, manufactured by Parker Hannifin Corporation Div Hydraulic Systems Division, classified under FSC 4320 (No Item Name Available). Status: active.
NSN 4320-00-159-0802 has 2 cross-referenced part numbers: 65651-09045-102 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), 51131 (Parker Hannifin Corporation Div Hydraulic Systems Division).
There are 8 known substitutes for 4320-00-159-0802: 5136-00-156-3009, 7220-00-190-0721, 1680-00-217-3014 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 51131: Reciprocating Stroke Type: VARIABLE; Drive Shaft Type: SPLINED, INVOLUTE EXTERNAL; Volume Control Type: PRESSURE COMPENSATION; Discharge Connection Thread Size and Series/type Designator: 1.062-12 UN. 27 total characteristics are documented in the Federal Logistics Information System.