PartsTable TECHNICAL DATA SHEET
AUGUST 2026Technical Data Sheet

WM21-117CSpring,helical,compression

Horizon Aerospace Llc Dba Magnetics Division · NSN 5360-00-520-8424 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-520-8424 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-520-8424. Primary manufacturer part number: WM21-117C.
Features
  • Spring,helical,compression — FSC 5360
  • End Style: SPRING END,SQUARED AND GROUND BOTH ENDS
  • Style Designator: CYLINDRICAL
  • Material: COPPER ALLOY 510 OVERALL
  • Coil Helix Direction: RIGHT-HAND
  • Inside Diameter: 0.028 INCHES MINIMUM AND 0.029 INCHES MAXIMUM IN
  • Material Document and Classification: AMS 4720 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Spring Free Outside Diameter: 0.068 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Copper Alloy 510 Overall construction
General Description

The Spring,helical,compression, cataloged under National Stock Number 5360-00-520-8424, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Horizon Aerospace Llc Dba Magnetics Division. Government technical data includes 7 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. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-520-8424
Primary Part NumberWM21-117C
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerHorizon Aerospace Llc Dba Magnetics Division
StatusACTIVE
End StyleSPRING END,SQUARED AND GROUND BOTH ENDS
Style DesignatorCYLINDRICAL
MaterialCOPPER ALLOY 510 OVERALL
Coil Helix DirectionRIGHT-HAND
Inside Diameter0.028 INCHES MINIMUM AND 0.029 INCHES MAXIMUM IN
Material Document and ClassificationAMS 4720 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Spring Free Outside Diameter0.068 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Cross-Reference Index
Part NumberManufacturer
WM21-117C PRIMARY Horizon Aerospace Llc Dba Magnetics Division (USA)
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Frequently Asked Questions

What is NSN 5360-00-520-8424?

NSN 5360-00-520-8424 is a Spring,helical,compression, manufactured by Horizon Aerospace Llc Dba Magnetics Division, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-520-8424?

NSN 5360-00-520-8424 has 1 cross-referenced part number: WM21-117C (Horizon Aerospace Llc Dba Magnetics Division).

What are the specifications of WM21-117C?

Key specifications for WM21-117C: End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Style Designator: CYLINDRICAL; Material: COPPER ALLOY 510 OVERALL; Coil Helix Direction: RIGHT-HAND. 7 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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