PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

511876-4Spring,helical,torsion

Naval Sea Systems Command · NSN 5360-00-200-5704 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-200-5704 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-200-5704. Primary manufacturer part number: 511876-4.
Features
  • Spring,helical,torsion — FSC 5360
  • End Angular Relationship: ENDS ANGLED ONE TO OTHER
  • Material: STEEL OVERALL
  • Spring Free Outside Diameter: 0.347 INCHES NOMINAL IN
  • Surface Treatment: ZINC OVERALL
  • Coil Quantity: 8-3/10
  • Spring Free Length: 0.350 INCHES NOMINAL IN
  • End Length: 0.297 INCHES NOMINAL FIRST END 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 5360-00-200-5704, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 15 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-200-5704
Primary Part Number511876-4
Item NameSpring,helical,torsion
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
End Angular RelationshipENDS ANGLED ONE TO OTHER
MaterialSTEEL OVERALL
Spring Free Outside Diameter0.347 INCHES NOMINAL IN
Surface TreatmentZINC OVERALL
Coil Quantity8-3/10
Spring Free Length0.350 INCHES NOMINAL IN
End Length0.297 INCHES NOMINAL FIRST END IN
End Length From Second Bend to Third Bend or End0.150 INCHES NOMINAL SECOND END IN
Style DesignatorSINGLE TORSION LEFT HAND
End Length From First Bend to Second Bend or End0.130 INCHES NOMINAL FIRST END IN
Coil Helix DirectionRIGHT-HAND
End StyleANGULAR END (RIGHT) SECOND END
End StyleSTRAIGHT BEND END (RIGHT) FIRST END
End Length0.227 INCHES NOMINAL SECOND END IN
Inside Diameter0.281 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3030-00-990-240328415 INTERCHANGEABLE
Belt,v
Contitech Usa, Inc Dba Veyance Technologies
Cross-Reference Index
Part NumberManufacturer
511876-4 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
511876-4 PRIMARY Naval Sea Systems Command (USA)
Related Parts
3030-00-990-2403INTERCHANGEABLE
BELT,V
28415

Frequently Asked Questions

What is NSN 5360-00-200-5704?

NSN 5360-00-200-5704 is a Spring,helical,torsion, manufactured by Naval Sea Systems Command, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-200-5704?

NSN 5360-00-200-5704 has 2 cross-referenced part numbers: 511876-4 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 511876-4 (Naval Sea Systems Command).

What NSN replaces 5360-00-200-5704?

There is 1 known substitute for 5360-00-200-5704: 3030-00-990-2403. Verify interchangeability with system specifications before substitution.

What are the specifications of 511876-4?

Key specifications for 511876-4: End Angular Relationship: ENDS ANGLED ONE TO OTHER; Material: STEEL OVERALL; Spring Free Outside Diameter: 0.347 INCHES NOMINAL IN; Surface Treatment: ZINC OVERALL. 15 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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