PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

63-9759Spring,helical,torsion

The Boeing Company Div Defense · NSN 5360-00-670-3471 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-670-3471 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-670-3471. Primary manufacturer part number: 63-9759.
Features
  • Spring,helical,torsion — FSC 5360
  • End Length: 0.880 INCHES NOMINAL FIRST END IN
  • End Length: 0.580 INCHES NOMINAL SECOND END IN
  • Material Document and Classification: QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Spring Free Length: 5.860 INCHES NOMINAL IN
  • End Angular Relationship: END W/LH HELIX OF COIL PARALLEL TO CENTER SECTION
  • End Style: STRAIGHT ANGULAR END FIRST END
  • Style Designator: SINGLE TORSION LEFT HAND
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Uns K08500 Overall construction
General Description

The Spring,helical,torsion, cataloged under National Stock Number 5360-00-670-3471, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is The Boeing Company Div Defense. Government technical data includes 16 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-670-3471
Primary Part Number63-9759
Item NameSpring,helical,torsion
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerThe Boeing Company Div Defense
StatusACTIVE
End Length0.880 INCHES NOMINAL FIRST END IN
End Length0.580 INCHES NOMINAL SECOND END IN
Material Document and ClassificationQQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Spring Free Length5.860 INCHES NOMINAL IN
End Angular RelationshipEND W/LH HELIX OF COIL PARALLEL TO CENTER SECTION
End StyleSTRAIGHT ANGULAR END FIRST END
Style DesignatorSINGLE TORSION LEFT HAND
MaterialSTEEL UNS K08500 OVERALL
End StyleOFFSET EYE SECOND END
Coil Quantity4
End Length From First Bend to Second Bend or End0.608 INCHES NOMINAL FIRST END IN
End Length From First Bend to Second Bend or End0.200 INCHES NOMINAL SECOND END IN
Coil Helix DirectionLEFT-HAND
End Length From Coil Axis to First Bend0.380 INCHES NOMINAL OVERALL IN
Spring Free Outside Diameter0.450 INCHES NOMINAL IN
Inside Diameter0.372 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5962-01-068-1038 INTERCHANGEABLE
Microcircuit,digital
Cross-Reference Index
Part NumberManufacturer
63-9759 PRIMARY The Boeing Company Div Defense (USA)
Related Parts
5962-01-068-1038INTERCHANGEABLE
MICROCIRCUIT,DIGITAL

Frequently Asked Questions

What is NSN 5360-00-670-3471?

NSN 5360-00-670-3471 is a Spring,helical,torsion, manufactured by The Boeing Company Div Defense, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-670-3471?

NSN 5360-00-670-3471 has 1 cross-referenced part number: 63-9759 (The Boeing Company Div Defense).

What NSN replaces 5360-00-670-3471?

There is 1 known substitute for 5360-00-670-3471: 5962-01-068-1038. Verify interchangeability with system specifications before substitution.

What are the specifications of 63-9759?

Key specifications for 63-9759: End Length: 0.880 INCHES NOMINAL FIRST END IN; End Length: 0.580 INCHES NOMINAL SECOND END IN; Material Document and Classification: QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Spring Free Length: 5.860 INCHES NOMINAL IN. 16 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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