PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

66WAN200Pump,axial Pistons

Eaton Aerospace, Llc Dba Jackson South · NSN 4320-00-706-0778 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-706-0778 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-706-0778. Primary manufacturer part number: 66WAN200.
Features
  • Pump,axial Pistons — FSC 4320
  • Discharge Connection Thread Size and Series/type Designator: 0.750-16 UNF
  • Reciprocating Stroke Type: FIXED
  • Intake Connection Thread Size and Series/type Designator: 1.312-12 UN
  • Volume Control Type: PRESSURE COMPENSATION
  • Intake Connection Quantity: 1
  • Pump Reciprocating Design: SINGLE ACTING
  • Discharge Pressure: 000.0 ENERGY EFFICIENT - FEMP - LOW STANDBY POWER - OFFICE EQUIPMENT -INTEGRATED COMPUTERS
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump,axial Pistons, cataloged under National Stock Number 4320-00-706-0778, 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 12 commercial cross-references from 2 manufacturers, 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
NSN4320-00-706-0778
Primary Part Number66WAN200
Item NamePump,axial Pistons
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusACTIVE
Discharge Connection Thread Size and Series/type Designator0.750-16 UNF
Reciprocating Stroke TypeFIXED
Intake Connection Thread Size and Series/type Designator1.312-12 UN
Volume Control TypePRESSURE COMPENSATION
Intake Connection Quantity1
Pump Reciprocating DesignSINGLE ACTING
Discharge Pressure000.0 ENERGY EFFICIENT - FEMP - LOW STANDBY POWER - OFFICE EQUIPMENT -INTEGRATED COMPUTERS
Intake Connection TypeTHREADED INTERNAL
Drive Connection TypeCLOSE COUPLED
Drive Shaft TypeSPLINED, STRAIGHT EXTERNAL
Maximum Discharge Flow Rate6.1 GALLONS PER MINUTE
Cylinder Quantity9
Control LocationCENTER
Discharge Connection TypeTHREADED INTERNAL
Pumping Element TypePISTON
Drive Shaft Length1.060 INCHES NOMINAL IN
Drive Shaft End Diameter0.562 INCHES NOMINAL IN
Discharge Connection Quantity1
Operating Speed at Rated Capacity3700.0 REVOLUTIONS PER MINUTE
Pump Rotation DirectionCLOCKWISE AND COUNTERCLOCKWISE
Media for Which DesignedHYDROCARBON FUELS AND OILS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4320-00-705-9497960949 INTERCHANGEABLE
Pump,reciprocating
Eaton Aerospace, Llc Dba Jackson South
Cross-Reference Index
Part NumberManufacturer
66WAN200 Eaton Aerospace, Llc Dba Jackson South (USA)
66WF200C2 General Signal Corp (USA)
66WJ200D3 Eaton Aerospace, Llc Dba Jackson South (USA)
66WJ200D3 Eaton Aerospace, Llc Dba Jackson South (USA)
66WF200C2 Eaton Aerospace, Llc Dba Jackson South (USA)
66WAN200 General Signal Corp (USA)
66WAN200B1 General Signal Corp (USA)
66WJ200D3 General Signal Corp (USA)
66WAN200B1 Eaton Aerospace, Llc Dba Jackson South (USA)
66WAN200 Eaton Aerospace, Llc Dba Jackson South (USA)
66WAN200B1 Eaton Aerospace, Llc Dba Jackson South (USA)
66WF200C2 Eaton Aerospace, Llc Dba Jackson South (USA)
Related Parts
4320-00-705-9497INTERCHANGEABLE
PUMP,RECIPROCATING
960949

Frequently Asked Questions

What is NSN 4320-00-706-0778?

NSN 4320-00-706-0778 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 4320-00-706-0778?

NSN 4320-00-706-0778 has 12 cross-referenced part numbers: 66WAN200 (Eaton Aerospace, Llc Dba Jackson South), 66WF200C2 (General Signal Corp), 66WJ200D3 (Eaton Aerospace, Llc Dba Jackson South), 66WJ200D3 (Eaton Aerospace, Llc Dba Jackson South), 66WF200C2 (Eaton Aerospace, Llc Dba Jackson South) and 7 more.

What NSN replaces 4320-00-706-0778?

There is 1 known substitute for 4320-00-706-0778: 4320-00-705-9497. Verify interchangeability with system specifications before substitution.

What are the specifications of 66WAN200?

Key specifications for 66WAN200: Discharge Connection Thread Size and Series/type Designator: 0.750-16 UNF; Reciprocating Stroke Type: FIXED; Intake Connection Thread Size and Series/type Designator: 1.312-12 UN; Volume Control Type: PRESSURE COMPENSATION. 21 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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