PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

186476Spring,helical,torsion

Lockheed Martin Corporation Div Rms - Mitchel Field · NSN 5360-00-316-4473 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-316-4473 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-316-4473. Primary manufacturer part number: 186476.
Features
  • Spring,helical,torsion — FSC 5360
  • Inside Diameter: 0.104 INCHES NOMINAL IN
  • End Style: ONE HOOK END OVERALL
  • End Angular Relationship: ENDS ANGLED ONE TO OTHER
  • Material: STEEL CORROSION RESISTING OVERALL
  • Coil Helix Direction: LEFT-HAND
  • Spring Free Outside Diameter: 0.144 INCHES NOMINAL IN
  • Spring Free Length: 0.140 INCHES NOMINAL IN
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Spring,helical,torsion, cataloged under National Stock Number 5360-00-316-4473, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-316-4473
Primary Part Number186476
Item NameSpring,helical,torsion
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms - Mitchel Field
StatusACTIVE
Inside Diameter0.104 INCHES NOMINAL IN
End StyleONE HOOK END OVERALL
End Angular RelationshipENDS ANGLED ONE TO OTHER
MaterialSTEEL CORROSION RESISTING OVERALL
Coil Helix DirectionLEFT-HAND
Spring Free Outside Diameter0.144 INCHES NOMINAL IN
Spring Free Length0.140 INCHES NOMINAL IN
End Length0.438 INCHES NOMINAL BOTH ENDS IN
Style DesignatorSINGLE TORSION LEFT HAND
Coil Quantity5
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-00-531-9515 INTERCHANGEABLE
Washer,flat
1650-00-867-06809776526-10 INTERCHANGEABLE
Parts Kit,servo Cylinder
Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force
Cross-Reference Index
Part NumberManufacturer
186476 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
8446-22 Arma Div Ambac Industries Inc
Related Parts
5310-00-531-9515INTERCHANGEABLE
WASHER,FLAT
1650-00-867-0680INTERCHANGEABLE
PARTS KIT,SERVO CYLINDER
9776526-10

Frequently Asked Questions

What is NSN 5360-00-316-4473?

NSN 5360-00-316-4473 is a Spring,helical,torsion, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-316-4473?

NSN 5360-00-316-4473 has 2 cross-referenced part numbers: 186476 (Lockheed Martin Corporation Div Rms - Mitchel Field), 8446-22 (Arma Div Ambac Industries Inc).

What NSN replaces 5360-00-316-4473?

There are 2 known substitutes for 5360-00-316-4473: 5310-00-531-9515, 1650-00-867-0680. Verify interchangeability with system specifications before substitution.

What are the specifications of 186476?

Key specifications for 186476: Inside Diameter: 0.104 INCHES NOMINAL IN; End Style: ONE HOOK END OVERALL; End Angular Relationship: ENDS ANGLED ONE TO OTHER; Material: STEEL CORROSION RESISTING OVERALL. 10 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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