PartsTable TECHNICAL DATA SHEET
AUGUST 2026Technical Data Sheet

0N180655Spring,helical,torsion

National Security Agency · NSN 5360-00-534-9817 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-534-9817 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-534-9817. Primary manufacturer part number: 0N180655.
Features
  • Spring,helical,torsion — FSC 5360
  • Spring Free Outside Diameter: 0.600 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Style Designator: SINGLE TORSION LEFT HAND
  • Coil Helix Direction: LEFT-HAND
  • Inside Diameter: 0.510 INCHES NOMINAL IN
  • Material Document and Classification: QQ-W-423,COND B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Spring Free Length: 0.200 INCHES NOMINAL IN
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Overall construction
General Description

The Spring,helical,torsion, cataloged under National Stock Number 5360-00-534-9817, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Security Agency. 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. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-534-9817
Primary Part Number0N180655
Item NameSpring,helical,torsion
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerNational Security Agency
StatusACTIVE
Spring Free Outside Diameter0.600 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Style DesignatorSINGLE TORSION LEFT HAND
Coil Helix DirectionLEFT-HAND
Inside Diameter0.510 INCHES NOMINAL IN
Material Document and ClassificationQQ-W-423,COND B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Spring Free Length0.200 INCHES NOMINAL IN
End Angular RelationshipENDS PARALLEL ONE TO OTHER
Surface TreatmentPASSIVATE OVERALL
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
End StyleSTRAIGHT OFFSET OVERALL
Coil Quantity3-1/8
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Cross-Reference Index
Part NumberManufacturer
0N180655 PRIMARY National Security Agency (USA)
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Frequently Asked Questions

What is NSN 5360-00-534-9817?

NSN 5360-00-534-9817 is a Spring,helical,torsion, manufactured by National Security Agency, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-534-9817?

NSN 5360-00-534-9817 has 1 cross-referenced part number: 0N180655 (National Security Agency).

What are the specifications of 0N180655?

Key specifications for 0N180655: Spring Free Outside Diameter: 0.600 INCHES NOMINAL IN; Material: STEEL OVERALL; Style Designator: SINGLE TORSION LEFT HAND; Coil Helix Direction: LEFT-HAND. 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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