PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

EA1045-039-2APump,axial Pistons

Eaton Aerospace, Llc Dba Jackson South · NSN 4320-00-856-9396 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-856-9396 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-856-9396. Primary manufacturer part number: EA1045-039-2A.
Features
  • Pump,axial Pistons — FSC 4320
  • Volume Control Type: PRESSURE COMPENSATION
  • Discharge Connection Quantity: 1
  • Maximum Discharge Flow Rate: 8.0 GALLONS PER MINUTE
  • Intake Connection Type: THREADED INTERNAL
  • Pumping Element Operating Position: HORIZONTAL
  • Operating Speed at Rated Capacity: 3200.0 REVOLUTIONS PER MINUTE
  • Media for Which Designed: HYDROCARBON FUELS AND OILS
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump,axial Pistons, cataloged under National Stock Number 4320-00-856-9396, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-856-9396
Primary Part NumberEA1045-039-2A
Item NamePump,axial Pistons
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusACTIVE
Volume Control TypePRESSURE COMPENSATION
Discharge Connection Quantity1
Maximum Discharge Flow Rate8.0 GALLONS PER MINUTE
Intake Connection TypeTHREADED INTERNAL
Pumping Element Operating PositionHORIZONTAL
Operating Speed at Rated Capacity3200.0 REVOLUTIONS PER MINUTE
Media for Which DesignedHYDROCARBON FUELS AND OILS
Reciprocating Stroke TypeVARIABLE
Discharge Connection TypeTHREADED INTERNAL
Pump Rotation DirectionCLOCKWISE
Discharge Pressure000.0 ENERGY EFFICIENT - FEMP - LOW STANDBY POWER - OFFICE EQUIPMENT -INTEGRATED COMPUTERS
Pumping Element TypePISTON
Intake Connection Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5905-01-173-8984604-288 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Miller Electric Mfg. Llc
Cross-Reference Index
Part NumberManufacturer
604340 Eaton Aerospace, Llc Dba Jackson South (USA)
604288 Eaton Aerospace, Llc Dba Jackson South (USA)
EA1045-039-2A PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
Related Parts
5905-01-173-8984INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
604-288

Frequently Asked Questions

What is NSN 4320-00-856-9396?

NSN 4320-00-856-9396 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 4320-00-856-9396?

NSN 4320-00-856-9396 has 3 cross-referenced part numbers: 604340 (Eaton Aerospace, Llc Dba Jackson South), 604288 (Eaton Aerospace, Llc Dba Jackson South), EA1045-039-2A (Eaton Aerospace, Llc Dba Jackson South).

What NSN replaces 4320-00-856-9396?

There is 1 known substitute for 4320-00-856-9396: 5905-01-173-8984. Verify interchangeability with system specifications before substitution.

What are the specifications of EA1045-039-2A?

Key specifications for EA1045-039-2A: Volume Control Type: PRESSURE COMPENSATION; Discharge Connection Quantity: 1; Maximum Discharge Flow Rate: 8.0 GALLONS PER MINUTE; Intake Connection Type: THREADED INTERNAL. 13 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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