PartsTable TECHNICAL DATA SHEET
OCTOBER 2026Technical Data Sheet

726144Spring,helical,torsion

Lockheed Martin Corp · NSN 5360-00-339-7685 · FSC 5360 · Coil, Flat, Leaf, and Wire Springs
Government record, cited
NSN 5360-00-339-7685 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-339-7685. Primary manufacturer part number: 726144.
Features
  • Spring,helical,torsion — FSC 5360
  • Spring Free Outside Diameter: 0.152 INCHES NOMINAL IN
  • End Style: ONE HOOK END OVERALL
  • End Length: 0.590 INCHES NOMINAL BOTH ENDS IN
  • Center Section Width: 0.252 INCHES NOMINAL IN
  • Style Designator: SINGLE TORSION RIGHT HAND
  • Spring Free Length: 0.440 INCHES NOMINAL IN
  • Inside Diameter: 0.100 INCHES NOMINAL IN
Identification
  • NSN: 5360-00-339-7685
  • NIIN: 003397685
  • FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 726144
  • Manufacturer: Lockheed Martin Corp
General Description

The Spring,helical,torsion, cataloged under National Stock Number 5360-00-339-7685, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The primary manufacturer of record is Lockheed Martin Corp. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 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
NSN5360-00-339-7685
Primary Part Number726144
Item NameSpring,helical,torsion
FSC / FSG5360 / 53 — Coil, Flat, Leaf, and Wire Springs
ManufacturerLockheed Martin Corp
StatusACTIVE
Spring Free Outside Diameter0.152 INCHES NOMINAL IN
End StyleONE HOOK END OVERALL
End Length0.590 INCHES NOMINAL BOTH ENDS IN
Center Section Width0.252 INCHES NOMINAL IN
Style DesignatorSINGLE TORSION RIGHT HAND
Spring Free Length0.440 INCHES NOMINAL IN
Inside Diameter0.100 INCHES NOMINAL IN
Coil Quantity7-3/4
Center Loop Radius0.100 INCHES NOMINAL IN
Coil Helix DirectionRIGHT-HAND
MaterialSTEEL OVERALL
End Angular RelationshipENDS PARALLEL ONE TO OTHER
Lifecycle & Compliance
Acquisition StatusACTIVE
HazardNot stated in government record
Cross-Reference Index
Part NumberManufacturer
726144 PRIMARY Lockheed Martin Corp (USA)
Other items in FSC 5360 — Coil, Flat, Leaf, and Wire Springs
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5360-00-001-1842
SPRING,HELICAL,COMPRESSION
5360-00-001-2010
SPRING,HELICAL,EXTENSION
5360-00-001-4650
SPRING,HELICAL,COMPRESSION
5360-00-001-4664
SPRING,CONSTANT TO

Frequently Asked Questions

What is NSN 5360-00-339-7685?

NSN 5360-00-339-7685 is a Spring,helical,torsion, manufactured by Lockheed Martin Corp, classified under FSC 5360 (Coil, Flat, Leaf, and Wire Springs). Status: active.

What are the part numbers for NSN 5360-00-339-7685?

NSN 5360-00-339-7685 has 1 cross-referenced part number: 726144 (Lockheed Martin Corp).

What are the specifications of 726144?

Key specifications for 726144: Spring Free Outside Diameter: 0.152 INCHES NOMINAL IN; End Style: ONE HOOK END OVERALL; End Length: 0.590 INCHES NOMINAL BOTH ENDS IN; Center Section Width: 0.252 INCHES NOMINAL IN. 12 specifications are documented in the U.S. Government catalog.

Is NSN 5360-00-339-7685 hazardous material?

Hazard status is not stated in the government record for NSN 5360-00-339-7685 — no DOT hazard class, UN number, or hazard classification field is present in the cited data. This page does not assert an item is or is not hazardous.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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