PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

66019Pump Unit,reciprocating

Parker Hannifin Corporation Div Hydraulic Systems Division · NSN 4320-00-481-4771 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-481-4771 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-481-4771. Primary manufacturer part number: 66019.
Features
  • Pump Unit,reciprocating — FSC 4320
  • Media for Which Designed: HYDROCARBON FUELS AND OILS
  • Prime Mover Type: ELECTRIC MOTOR
  • 1 verified cross-reference
  • Primary manufacturer: Parker Hannifin Corporation Div Hydraulic Systems Division
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump Unit,reciprocating, cataloged under National Stock Number 4320-00-481-4771, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Parker Hannifin Corporation Div Hydraulic Systems Division. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-481-4771
Primary Part Number66019
Item NamePump Unit,reciprocating
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerParker Hannifin Corporation Div Hydraulic Systems Division
StatusACTIVE
Media for Which DesignedHYDROCARBON FUELS AND OILS
Prime Mover TypeELECTRIC MOTOR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5905-00-110-7620 INTERCHANGEABLE
Resistor,fixed,composition
2925-00-163-454366019 INTERCHANGEABLE
Block Compound,engi
Unison Industries Llc
6150-01-004-731566019 INTERCHANGEABLE
Cable Assembly,power,electrical,
Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense
4820-01-171-7287 INTERCHANGEABLE
Valve,linear,directional Control
5365-01-202-300566019 INTERCHANGEABLE
Bushing,nonmetallic
Brunswick Corp Dba Mercury Marine Div Mercury Marine
Cross-Reference Index
Part NumberManufacturer
66019 PRIMARY Parker Hannifin Corporation Div Hydraulic Systems Division (USA)
Related Parts
5905-00-110-7620INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
2925-00-163-4543INTERCHANGEABLE
BLOCK COMPOUND,ENGI
66019
6150-01-004-7315INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL,
66019
4820-01-171-7287INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
5365-01-202-3005INTERCHANGEABLE
BUSHING,NONMETALLIC
66019

Frequently Asked Questions

What is NSN 4320-00-481-4771?

NSN 4320-00-481-4771 is a Pump Unit,reciprocating, manufactured by Parker Hannifin Corporation Div Hydraulic Systems Division, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-481-4771?

NSN 4320-00-481-4771 has 1 cross-referenced part number: 66019 (Parker Hannifin Corporation Div Hydraulic Systems Division).

What NSN replaces 4320-00-481-4771?

There are 5 known substitutes for 4320-00-481-4771: 5905-00-110-7620, 2925-00-163-4543, 6150-01-004-7315 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 66019?

Key specifications for 66019: Media for Which Designed: HYDROCARBON FUELS AND OILS; Prime Mover Type: ELECTRIC MOTOR. 2 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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