PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8559Spring,helical,compression

Moog Military Aircraft Llc · NSN 5360-00-526-9586 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-526-9586 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-526-9586. Primary manufacturer part number: 8559.
Features
  • Spring,helical,compression — FSC 5360
  • Coil Quantity: 11-1/2
  • Material: STEEL OVERALL
  • Inside Diameter: 0.220 INCHES NOMINAL IN
  • End Style: SPRING END,SQUARED AND GROUND BOTH ENDS
  • Coil Helix Direction: RIGHT-HAND OR LEFT-HAND
  • Spring Free Outside Diameter: 0.330 INCHES NOMINAL IN
  • Spring Free Length: 1.293 INCHES NOMINAL IN
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 5360-00-526-9586, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Moog Military Aircraft Llc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-526-9586
Primary Part Number8559
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerMoog Military Aircraft Llc
StatusACTIVE
Coil Quantity11-1/2
MaterialSTEEL OVERALL
Inside Diameter0.220 INCHES NOMINAL IN
End StyleSPRING END,SQUARED AND GROUND BOTH ENDS
Coil Helix DirectionRIGHT-HAND OR LEFT-HAND
Spring Free Outside Diameter0.330 INCHES NOMINAL IN
Spring Free Length1.293 INCHES NOMINAL IN
Style DesignatorCYLINDRICAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5330-00-740-97795203897 INTERCHANGEABLE
Packing,preformed
Vme Americas Inc Central Parts Div
6625-01-120-7900435659-1 INTERCHANGEABLE
Divider,power,radio Frequency
L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products
3040-01-280-43568559 INTERCHANGEABLE
Bracket,eye,rotating Shaft
Motion Industries Div Columbus
5355-01-477-82728559 INTERCHANGEABLE
Knob
Keystone Electronics Corp
Cross-Reference Index
Part NumberManufacturer
8559 Moog Inc (USA)
8559 PRIMARY Moog Military Aircraft Llc (USA)
8559 Moog Inc Div Moog Inc., Space and Defense - Salt Lake City (USA)
8559 E-Systems Inc Montek Div Fluid Controls Opns (USA)
Related Parts
5330-00-740-9779INTERCHANGEABLE
PACKING,PREFORMED
5203897
6625-01-120-7900INTERCHANGEABLE
DIVIDER,POWER,RADIO FREQUENCY
435659-1
3040-01-280-4356INTERCHANGEABLE
BRACKET,EYE,ROTATING SHAFT
8559
5355-01-477-8272INTERCHANGEABLE
KNOB
8559

Frequently Asked Questions

What is NSN 5360-00-526-9586?

NSN 5360-00-526-9586 is a Spring,helical,compression, manufactured by Moog Military Aircraft Llc, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-526-9586?

NSN 5360-00-526-9586 has 4 cross-referenced part numbers: 8559 (Moog Inc), 8559 (Moog Military Aircraft Llc), 8559 (Moog Inc Div Moog Inc., Space and Defense - Salt Lake City), 8559 (E-Systems Inc Montek Div Fluid Controls Opns).

What NSN replaces 5360-00-526-9586?

There are 4 known substitutes for 5360-00-526-9586: 5330-00-740-9779, 6625-01-120-7900, 3040-01-280-4356 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8559?

Key specifications for 8559: Coil Quantity: 11-1/2; Material: STEEL OVERALL; Inside Diameter: 0.220 INCHES NOMINAL IN; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS. 8 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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