PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PF17L3911-30ZEPump,axial Pistons

Eaton Aerospace, Llc Dba Jackson South · NSN 4320-00-203-9819 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-203-9819 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-203-9819. Primary manufacturer part number: PF17L3911-30ZE.
Features
  • Pump,axial Pistons — FSC 4320
  • Control Location: CENTER
  • Maximum Discharge Flow Rate: 7.8 GALLONS PER MINUTE
  • Volume Control Type: HYDRAULIC CYLINDER
  • Pump Reciprocating Design: SINGLE ACTING
  • Discharge Connection Type: THREADED EXTERNAL
  • Reciprocating Stroke Type: FIXED
  • Drive Shaft Length: 0.937 INCHES NOMINAL IN
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump,axial Pistons, cataloged under National Stock Number 4320-00-203-9819, 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4320-00-203-9819
Primary Part NumberPF17L3911-30ZE
Item NamePump,axial Pistons
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusCANCELLED
Control LocationCENTER
Maximum Discharge Flow Rate7.8 GALLONS PER MINUTE
Volume Control TypeHYDRAULIC CYLINDER
Pump Reciprocating DesignSINGLE ACTING
Discharge Connection TypeTHREADED EXTERNAL
Reciprocating Stroke TypeFIXED
Drive Shaft Length0.937 INCHES NOMINAL IN
Drive Shaft End Diameter0.687 INCHES NOMINAL IN
Pumping Element TypePISTON
Discharge Pressure000.0 ENERGY EFFICIENT - FEMP - LOW STANDBY POWER - OFFICE EQUIPMENT -INTEGRATED COMPUTERS
Cylinder Quantity1
Operating Speed at Rated Capacity3000.0 REVOLUTIONS PER MINUTE
Discharge Connection Thread Size and Series/type Designator0.750-16 UNF
Pump Rotation DirectionCOUNTERCLOCKWISE
Media for Which DesignedHYDROCARBON FUELS AND OILS
Discharge Connection Quantity1
Intake Connection TypeTHREADED EXTERNAL
Intake Connection Quantity1
Drive Connection TypeSPUR GEAR
Intake Connection Thread Size and Series/type Designator1.312-12 UN
Drive Shaft TypeSPLINED, STRAIGHT EXTERNAL
Mounting TypeBASE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
2520-00-765-8109156370R1 INTERCHANGEABLE
Disk,clutch,vehicular
Navistar Intl Corp Truck Br Ohio Plant
Cross-Reference Index
Part NumberManufacturer
PF17L3911-30ZE PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
144736 Eaton Aerospace, Llc Dba Jackson South (USA)
8526761 Us Army Aviation and Missile Command (USA)
Related Parts
2520-00-765-8109INTERCHANGEABLE
DISK,CLUTCH,VEHICULAR
156370R1

Frequently Asked Questions

What is NSN 4320-00-203-9819?

NSN 4320-00-203-9819 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 4320-00-203-9819?

NSN 4320-00-203-9819 has 3 cross-referenced part numbers: PF17L3911-30ZE (Eaton Aerospace, Llc Dba Jackson South), 144736 (Eaton Aerospace, Llc Dba Jackson South), 8526761 (Us Army Aviation and Missile Command).

What NSN replaces 4320-00-203-9819?

There is 1 known substitute for 4320-00-203-9819: 2520-00-765-8109. Verify interchangeability with system specifications before substitution.

What are the specifications of PF17L3911-30ZE?

Key specifications for PF17L3911-30ZE: Control Location: CENTER; Maximum Discharge Flow Rate: 7.8 GALLONS PER MINUTE; Volume Control Type: HYDRAULIC CYLINDER; Special Features: 30.0 DEG HOUSING ANGLE,0.344 IN. DIA BORE,3750.0 RPM MAX CONTINUOUS DUTY,0.437-20 NF-3A DRAIN AND SEEPAGE A. 23 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4320-00-203-9819 still in active supply?

NSN 4320-00-203-9819 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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