PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

66909Spring,helical,compression

Parker Hannifin Corporation Div Hydraulic Systems Division · NSN 5360-00-106-1004 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-106-1004 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-106-1004. Primary manufacturer part number: 66909.
Features
  • Spring,helical,compression — FSC 5360
  • Inside Diameter: 0.184 INCHES NOMINAL IN
  • Spring Deflection Rate: 155.000 POUNDS PER INCH NOMINAL LBS
  • End Style: SPRING END,SQUARED AND GROUND BOTH ENDS
  • Style Designator: CYLINDRICAL
  • Coil Helix Direction: RIGHT-HAND OR LEFT-HAND
  • Accommodated Rod Diameter: 0.178 INCHES NOMINAL IN
  • Coil Quantity: 14 1/2
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Overall construction
General Description

The Spring,helical,compression, cataloged under National Stock Number 5360-00-106-1004, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Parker Hannifin Corporation Div Hydraulic Systems Division. Government technical data includes 12 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-106-1004
Primary Part Number66909
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerParker Hannifin Corporation Div Hydraulic Systems Division
StatusACTIVE
Inside Diameter0.184 INCHES NOMINAL IN
Spring Deflection Rate155.000 POUNDS PER INCH NOMINAL LBS
End StyleSPRING END,SQUARED AND GROUND BOTH ENDS
Style DesignatorCYLINDRICAL
Coil Helix DirectionRIGHT-HAND OR LEFT-HAND
Accommodated Rod Diameter0.178 INCHES NOMINAL IN
Coil Quantity14 1/2
Spring Free Outside Diameter0.320 INCHES NOMINAL IN
Spring Free Length1.371 INCHES NOMINAL IN
Spring Solid Length0.986 INCHES NOMINAL IN
Bore Diameter0.330 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
9905-01-059-734466909 INTERCHANGEABLE
Plate,identification
Hdt Expeditionary Systems Inc
4320-01-275-24826690-9 INTERCHANGEABLE
Stator Assembly,pump,turbine
Coffin Turbo Pump Inc
Cross-Reference Index
Part NumberManufacturer
66909 PRIMARY Parker Hannifin Corporation Div Hydraulic Systems Division (USA)
Related Parts
9905-01-059-7344INTERCHANGEABLE
PLATE,IDENTIFICATION
66909
4320-01-275-2482INTERCHANGEABLE
STATOR ASSEMBLY,PUMP,TURBINE
6690-9

Frequently Asked Questions

What is NSN 5360-00-106-1004?

NSN 5360-00-106-1004 is a Spring,helical,compression, manufactured by Parker Hannifin Corporation Div Hydraulic Systems Division, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-106-1004?

NSN 5360-00-106-1004 has 1 cross-referenced part number: 66909 (Parker Hannifin Corporation Div Hydraulic Systems Division).

What NSN replaces 5360-00-106-1004?

There are 2 known substitutes for 5360-00-106-1004: 9905-01-059-7344, 4320-01-275-2482. Verify interchangeability with system specifications before substitution.

What are the specifications of 66909?

Key specifications for 66909: Inside Diameter: 0.184 INCHES NOMINAL IN; Spring Deflection Rate: 155.000 POUNDS PER INCH NOMINAL LBS; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Style Designator: CYLINDRICAL. 12 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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