PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AA65674L6Pump,axial Pistons

Eaton Aerospace, Llc Dba Jackson South · NSN 4320-00-755-1078 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-755-1078 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-755-1078. Primary manufacturer part number: AA65674L6.
Features
  • Pump,axial Pistons — FSC 4320
  • Intake Connection Thread Size and Series/type Designator: 1.312-12 UN
  • Drive Shaft Length: 1.125 INCHES NOMINAL IN
  • Cylinder Quantity: 9
  • Volume Control Type: PRESSURE COMPENSATION
  • Control Location: RIGHT SIDE
  • Maximum Discharge Flow Rate: 18.0 GALLONS PER MINUTE
  • Intake Connection Quantity: 1
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump,axial Pistons, cataloged under National Stock Number 4320-00-755-1078, 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 21 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4320-00-755-1078
Primary Part NumberAA65674L6
Item NamePump,axial Pistons
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusCANCELLED
Intake Connection Thread Size and Series/type Designator1.312-12 UN
Drive Shaft Length1.125 INCHES NOMINAL IN
Cylinder Quantity9
Volume Control TypePRESSURE COMPENSATION
Control LocationRIGHT SIDE
Maximum Discharge Flow Rate18.0 GALLONS PER MINUTE
Intake Connection Quantity1
Discharge Connection Thread Size and Series/type Designator0.875-14 UNF
Intake Connection TypeTHREADED INTERNAL
Pump Rotation DirectionCLOCKWISE AND COUNTERCLOCKWISE
Pump Reciprocating DesignSINGLE ACTING
Operating Speed at Rated Capacity2820.0 REVOLUTIONS PER MINUTE
Discharge Pressure000.0 ENERGY EFFICIENT - FEMP - LOW STANDBY POWER - OFFICE EQUIPMENT -INTEGRATED COMPUTERS
Reciprocating Stroke TypeVARIABLE
Pumping Element Operating PositionHORIZONTAL
Media for Which DesignedHYDROCARBON FUELS AND OILS
Discharge Connection TypeTHREADED INTERNAL
Drive Connection TypeCLOSE COUPLED
Discharge Connection Quantity1
Pumping Element TypePISTON
Drive Shaft TypeSPLINED, INVOLUTE EXTERNAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5330-00-154-760611193A INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5210-00-239-0487 INTERCHANGEABLE
Blade,combination Square
4520-00-300-782950083 INTERCHANGEABLE
Heating Element,electrical,nonim
American Wyott Corporation Dba Apw Wyott Food Service Equipment
3130-00-314-733550083 INTERCHANGEABLE
Housing,bearing Unit
Ambac International Corporation Div Ambac International
5306-00-483-622350083 INTERCHANGEABLE
Bolt,internally Relieved Body
Hamilton Sundstrand Corporation Dba Collins Aerospace
3120-00-580-417250083 INTERCHANGEABLE
Bearing,plain,rod End
Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc
5330-00-599-515221158-1200 INTERCHANGEABLE
Seal,plain Encased
Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc
1650-00-605-351850083 INTERCHANGEABLE
Sleeve,hydraulic Pump
Parker Hannifin Corporation Div Hydraulic Systems Division
5930-00-892-9362 INTERCHANGEABLE
Boot,dust and Moisture Seal
5305-00-978-9347 INTERCHANGEABLE
Screw,cap,socket Head
Cross-Reference Index
Part NumberManufacturer
50-083 Mission Systems Davenport Inc. (USA)
AA65674L6 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
Related Parts
5330-00-154-7606INTERCHANGEABLE
SEAL,PLAIN ENCASED
11193A
5210-00-239-0487INTERCHANGEABLE
BLADE,COMBINATION SQUARE
4520-00-300-7829INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
50083
3130-00-314-7335INTERCHANGEABLE
HOUSING,BEARING UNIT
50083
5306-00-483-6223INTERCHANGEABLE
BOLT,INTERNALLY RELIEVED BODY
50083
3120-00-580-4172INTERCHANGEABLE
BEARING,PLAIN,ROD END
50083
5330-00-599-5152INTERCHANGEABLE
SEAL,PLAIN ENCASED
21158-1200
1650-00-605-3518INTERCHANGEABLE
SLEEVE,HYDRAULIC PUMP
50083
5930-00-892-9362INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5305-00-978-9347INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5940-01-375-6738INTERCHANGEABLE
TERMINAL STRIP,GROUNDING
SM-A-801197-2
5930-01-492-5485INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
50083

Frequently Asked Questions

What is NSN 4320-00-755-1078?

NSN 4320-00-755-1078 is a Pump,axial Pistons, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 4320 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4320-00-755-1078?

NSN 4320-00-755-1078 has 2 cross-referenced part numbers: 50-083 (Mission Systems Davenport Inc.), AA65674L6 (Eaton Aerospace, Llc Dba Jackson South).

What NSN replaces 4320-00-755-1078?

There are 12 known substitutes for 4320-00-755-1078: 5330-00-154-7606, 5210-00-239-0487, 4520-00-300-7829 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AA65674L6?

Key specifications for AA65674L6: Intake Connection Thread Size and Series/type Designator: 1.312-12 UN; Drive Shaft Length: 1.125 INCHES NOMINAL IN; Cylinder Quantity: 9; Volume Control Type: PRESSURE COMPENSATION. 21 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4320-00-755-1078 still in active supply?

NSN 4320-00-755-1078 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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