PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51110Pump,axial Pistons

Parker Hannifin Corporation Div Hydraulic Systems Division · NSN 4320-00-102-4393 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-102-4393 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-102-4393. Primary manufacturer part number: 51110.
Features
  • Pump,axial Pistons — FSC 4320
  • Maximum Discharge Flow Rate: 14.5 GALLONS PER MINUTE
  • Pump Rotation Direction: COUNTERCLOCKWISE
  • Operating Speed at Rated Capacity: 4110.0 REVOLUTIONS PER MINUTE
  • Reciprocating Stroke Type: VARIABLE
  • Volume Control Type: PRESSURE COMPENSATION
  • Pump Reciprocating Design: SINGLE ACTING
  • Intake Connection Type: THREADED INTERNAL
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump,axial Pistons, cataloged under National Stock Number 4320-00-102-4393, 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 16 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-102-4393
Primary Part Number51110
Item NamePump,axial Pistons
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerParker Hannifin Corporation Div Hydraulic Systems Division
StatusACTIVE
Maximum Discharge Flow Rate14.5 GALLONS PER MINUTE
Pump Rotation DirectionCOUNTERCLOCKWISE
Operating Speed at Rated Capacity4110.0 REVOLUTIONS PER MINUTE
Reciprocating Stroke TypeVARIABLE
Volume Control TypePRESSURE COMPENSATION
Pump Reciprocating DesignSINGLE ACTING
Intake Connection TypeTHREADED INTERNAL
Discharge Connection TypeTHREADED INTERNAL
Drive Shaft Length0.860 INCHES NOMINAL IN
Media for Which DesignedHYDROCARBON FUELS AND OILS
Drive Shaft TypeSPLINED, INVOLUTE EXTERNAL
Pumping Element TypePISTON
Discharge Connection Quantity1
Drive Connection TypeCLOSE COUPLED
Cylinder Quantity9
Intake Connection Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5315-00-013-7186 INTERCHANGEABLE
Pin,cotter
5950-00-079-539451110 INTERCHANGEABLE
Coil,radio Frequency
Vanguard Electronics, Llc
5120-00-892-5485 INTERCHANGEABLE
Hammer,hand
2940-00-922-2077BT-248 INTERCHANGEABLE
Filter Element,fluid
Baldwin Filters
3110-01-291-454551110 INTERCHANGEABLE
Bearing,ball,thrust
Fag Bearings Corporation
1340-01-429-4632 INTERCHANGEABLE
Rocket,high Explosive,66 Millime
8345-01-583-6814 INTERCHANGEABLE
Guidon
Cross-Reference Index
Part NumberManufacturer
65651-09045-101 Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA)
51110 PRIMARY Parker Hannifin Corporation Div Hydraulic Systems Division (USA)
Related Parts
5315-00-013-7186INTERCHANGEABLE
PIN,COTTER
5950-00-079-5394INTERCHANGEABLE
COIL,RADIO FREQUENCY
51110
5120-00-892-5485INTERCHANGEABLE
HAMMER,HAND
2940-00-922-2077INTERCHANGEABLE
FILTER ELEMENT,FLUID
BT-248
3110-01-291-4545INTERCHANGEABLE
BEARING,BALL,THRUST
51110
1340-01-429-4632INTERCHANGEABLE
ROCKET,HIGH EXPLOSIVE,66 MILLIME
8345-01-583-6814INTERCHANGEABLE
GUIDON

Frequently Asked Questions

What is NSN 4320-00-102-4393?

NSN 4320-00-102-4393 is a Pump,axial Pistons, manufactured by Parker Hannifin Corporation Div Hydraulic Systems Division, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-102-4393?

NSN 4320-00-102-4393 has 2 cross-referenced part numbers: 65651-09045-101 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), 51110 (Parker Hannifin Corporation Div Hydraulic Systems Division).

What NSN replaces 4320-00-102-4393?

There are 7 known substitutes for 4320-00-102-4393: 5315-00-013-7186, 5950-00-079-5394, 5120-00-892-5485 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 51110?

Key specifications for 51110: Maximum Discharge Flow Rate: 14.5 GALLONS PER MINUTE; Pump Rotation Direction: COUNTERCLOCKWISE; Operating Speed at Rated Capacity: 4110.0 REVOLUTIONS PER MINUTE; Reciprocating Stroke Type: VARIABLE. 16 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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