• Provides the return force inside small hydraulic or electric actuator assemblies.
  
  

• Keeps pilot or relief valves closed until the required force opens them during operation.
  
  

• Applies preload in linkage assemblies to remove play and ensure positive engagement.
  
  

• Powers mechanical latches used on access panels and service doors.

• What material is the spring made from?

It is manufactured from a corrosion-resistant, heat-treated spring alloy suitable for aerospace use.

• How do I check if the spring is serviceable?

Inspect for corrosion, nicks, permanent deformation, or fractured coils. Replace if any defect is present.

• Is the spring reusable after removal?

If it shows no wear, set, or damage and still meets dimensional checks, it can be reused per OEM maintenance guidance.