Extension Spring #56, 3/4"x3-13/16"x.1055WG

Extension Spring #56

The 18556 Extension Spring #56 is a durable spring steel extension spring designed to provide reliable tension and return force in mechanical applications. Built from high-quality spring steel, it delivers dependable elasticity and strength for equipment, repair projects, and general mechanical assemblies. Its compact design and consistent spring performance make it a practical choice wherever controlled tension is needed—because when springs stop pulling their weight, the rest of the mechanism usually notices immediately.

Country of Origin
Varies by production batch

Key Features / Specifications

• Model / Part Number: 18556
• Nominal Size: SRM56
• Product Type: Extension spring
• Material: Spring steel
• Outside Diameter: 3/4 in
• Length: 3-13/16 in
• Wire Diameter: 0.11 WG
• Design: Tension spring for controlled extension and return force
• Application: General mechanical and equipment use

Ideal For

• Mechanical assemblies requiring extension tension
• Equipment repairs needing a #56 extension spring replacement
• Agricultural, shop, and industrial applications
• Projects where durable spring steel and consistent tension performance are essential