PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PFA3Y2Pump,axial Pistons

Eaton Aerospace, Llc Dba Jackson South · NSN 4320-00-217-7589 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-217-7589 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-217-7589. Primary manufacturer part number: PFA3Y2.
Features
  • Pump,axial Pistons — FSC 4320
  • Discharge Pressure: 000.0 ENERGY EFFICIENT - FEMP - LOW STANDBY POWER - OFFICE EQUIPMENT -INTEGRATED COMPUTERS
  • Mounting Type: BASE
  • Intake Connection Thread Size and Series/type Designator: 1.062-12 UN
  • Drive Shaft Type: SPLINED, STRAIGHT EXTERNAL
  • Drive Shaft End Diameter: 0.867 INCHES NOMINAL IN
  • Discharge Connection Thread Size and Series/type Designator: 1.062-12 UN
  • Drive Connection Type: SPUR GEAR
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump,axial Pistons, cataloged under National Stock Number 4320-00-217-7589, 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 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-217-7589
Primary Part NumberPFA3Y2
Item NamePump,axial Pistons
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusACTIVE
Discharge Pressure000.0 ENERGY EFFICIENT - FEMP - LOW STANDBY POWER - OFFICE EQUIPMENT -INTEGRATED COMPUTERS
Mounting TypeBASE
Intake Connection Thread Size and Series/type Designator1.062-12 UN
Drive Shaft TypeSPLINED, STRAIGHT EXTERNAL
Drive Shaft End Diameter0.867 INCHES NOMINAL IN
Discharge Connection Thread Size and Series/type Designator1.062-12 UN
Drive Connection TypeSPUR GEAR
Pumping Element TypePISTON
Media for Which DesignedHYDROCARBON FUELS AND OILS
Operating Speed at Rated Capacity3280.0 REVOLUTIONS PER MINUTE
Volume Control TypeHYDRAULIC CYLINDER
Control LocationCENTER
Pump Reciprocating DesignSINGLE ACTING
Maximum Discharge Flow Rate3.0 GALLONS PER MINUTE
Discharge Connection Quantity1
Pump Rotation DirectionCLOCKWISE AND COUNTERCLOCKWISE
Drive Shaft Length0.875 INCHES NOMINAL IN
Reciprocating Stroke TypeFIXED
Cylinder Quantity1
Intake Connection Quantity1
Discharge Connection TypeTHREADED INTERNAL
Intake Connection TypeTHREADED INTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5307-00-025-8270SF91-7SA9A INTERCHANGEABLE
Stud,locked in
Howmet Global Fastening Systems Inc Div Rosan Products
2915-00-758-6937123964 INTERCHANGEABLE
Bracket,mounting,va
Parker-Hannifin Corporation Dba Pneutronics
5306-00-780-599512396-4 INTERCHANGEABLE
Bolt,ring
Breeze-Eastern Llc
Cross-Reference Index
Part NumberManufacturer
AN4149 Aeronautical Standards Group Dept of Navy and Air Force (USA)
PFA3Y2 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
123964 Eaton Aerospace, Llc Dba Jackson South (USA)
Related Parts
5307-00-025-8270INTERCHANGEABLE
STUD,LOCKED IN
SF91-7SA9A
2915-00-758-6937INTERCHANGEABLE
BRACKET,MOUNTING,VA
123964
5306-00-780-5995INTERCHANGEABLE
BOLT,RING
12396-4

Frequently Asked Questions

What is NSN 4320-00-217-7589?

NSN 4320-00-217-7589 is a Pump,axial Pistons, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-217-7589?

NSN 4320-00-217-7589 has 3 cross-referenced part numbers: AN4149 (Aeronautical Standards Group Dept of Navy and Air Force), PFA3Y2 (Eaton Aerospace, Llc Dba Jackson South), 123964 (Eaton Aerospace, Llc Dba Jackson South).

What NSN replaces 4320-00-217-7589?

There are 3 known substitutes for 4320-00-217-7589: 5307-00-025-8270, 2915-00-758-6937, 5306-00-780-5995. Verify interchangeability with system specifications before substitution.

What are the specifications of PFA3Y2?

Key specifications for PFA3Y2: Discharge Pressure: 000.0 ENERGY EFFICIENT - FEMP - LOW STANDBY POWER - OFFICE EQUIPMENT -INTEGRATED COMPUTERS; Mounting Type: BASE; Intake Connection Thread Size and Series/type Designator: 1.062-12 UN; Drive Shaft Type: SPLINED, STRAIGHT EXTERNAL. 23 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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