PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

66621Piston and Shoe

Parker Hannifin Corporation Div Hydraulic Systems Division · NSN 1650-00-111-0584 · FSC 1650 · No Item Name Available
Verified by PartsTable
NSN 1650-00-111-0584 — this item is cataloged by the U.S. Government under National Stock Number 1650-00-111-0584. Primary manufacturer part number: 66621.
Features
  • Piston and Shoe — FSC 1650
  • General Characteristics Item Description: PISTON MUST BE FREE TO PIVOT ON THE BALL TO 23 DEG
  • 1 verified cross-reference
  • Primary manufacturer: Parker Hannifin Corporation Div Hydraulic Systems Division
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Piston and Shoe, cataloged under National Stock Number 1650-00-111-0584, is classified within Federal Supply Class 1650 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Parker Hannifin Corporation Div Hydraulic Systems Division. Government technical data includes 1 verified specification, 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1650-00-111-0584
Primary Part Number66621
Item NamePiston and Shoe
FSC / FSG1650 / 16 — No Item Name Available
ManufacturerParker Hannifin Corporation Div Hydraulic Systems Division
StatusACTIVE
General Characteristics Item DescriptionPISTON MUST BE FREE TO PIVOT ON THE BALL TO 23 DEG
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6150-01-122-77264054T81P03 INTERCHANGEABLE
Lead,electrical
General Electric Company Dba Ge Aerospace
5360-01-178-62906662-1 INTERCHANGEABLE
Spring,helical,compression
Greno Industries, Inc. Dba Greno Industries Inc
Cross-Reference Index
Part NumberManufacturer
66621 PRIMARY Parker Hannifin Corporation Div Hydraulic Systems Division (USA)
Related Parts
6150-01-122-7726INTERCHANGEABLE
LEAD,ELECTRICAL
4054T81P03
5360-01-178-6290INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
6662-1

Frequently Asked Questions

What is NSN 1650-00-111-0584?

NSN 1650-00-111-0584 is a Piston and Shoe, manufactured by Parker Hannifin Corporation Div Hydraulic Systems Division, classified under FSC 1650 (No Item Name Available). Status: active.

What are the part numbers for NSN 1650-00-111-0584?

NSN 1650-00-111-0584 has 1 cross-referenced part number: 66621 (Parker Hannifin Corporation Div Hydraulic Systems Division).

What NSN replaces 1650-00-111-0584?

There are 2 known substitutes for 1650-00-111-0584: 6150-01-122-7726, 5360-01-178-6290. Verify interchangeability with system specifications before substitution.

What are the specifications of 66621?

Key specifications for 66621: General Characteristics Item Description: PISTON MUST BE FREE TO PIVOT ON THE BALL TO 23 DEG. 1 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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