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Compression Springs Compression Springs

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55-64 Outer Diameter

55/64" (0.859375) Inch Outer Diameter Standard Extension Springs

Definition of 55/64" Outer Diameter Extension Springs:
A 55/64" (fifty-five sixty-fourths of an inch) outer diameter extension spring has an outer diameter of 0.859375 inches. This large spring size is ideal for applications requiring high tension strength, long-lasting durability, and reliable performance. These springs are commonly used in large industrial machines, automotive assemblies, agricultural equipment, and heavy-duty mechanical systems.

At The Spring Store by Acxess Spring, you’ll find a variety of 55/64" OD extension springs in different configurations such as wire thickness, hook design, coil count, and total length.

How To Measure Your 55/64" Inner Diameter Stock Extension Spring

how to measure a extension springhow to measure a extension spring
extension force chartextension force chart

Your 55/64" (fifty-five sixty-fourths of an inch) extension spring’s outer diameter is critical to the spring’s functionality, especially in applications demanding significant pull force and resistance to fatigue. A 55/64" OD extension spring offers strength and flexibility for high-performance environments.

The 55/64" (0.859375) OD extension springs in our stock are available in multiple variants — such as different wire diameters, coil counts, body lengths, and hook styles — each of which impacts the spring’s force capacity, tension, and stretch distance.

All of our 55/64" OD extension springs are crafted from durable, high-performance materials like 302 stainless steel (ASTM A 313) and music wire (ASTM A 228), ensuring excellent corrosion resistance, elasticity, and long cycle life.

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  • Price Part Number Image Ship type
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  • Special Price $12.47 Regular Price $14.34 As low as $5.50
    PE077-859-17734-MW-2500-MH-N-IN
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    PE077-859-17734-MW-2500-MH-N-IN Ships within 10 Business Days in in in lbs/in in lbs in in Music Wire (MW) Machine Hook (MH)
  • Special Price $13.82 Regular Price $15.89 As low as $6.09
    PE084-859-33566-MW-3940-MH-N-IN
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    PE084-859-33566-MW-3940-MH-N-IN Ships within 10 Business Days in in in lbs/in in lbs in in Music Wire (MW) Machine Hook (MH)
  • Special Price $17.81 Regular Price $20.48 As low as $7.85
    PE105-859-44491-HD-5750-MH-N-IN
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    PE105-859-44491-HD-5750-MH-N-IN Ships within 10 Business Days in in in lbs/in in lbs in in Hard Drawn (HD) Machine Hook (MH)
  • Special Price $15.26 Regular Price $17.55 As low as $6.73
    PE120-859-30846-MW-4750-MH-N-IN
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    PE120-859-30846-MW-4750-MH-N-IN Ships within 5 Business Days in in in lbs/in in lbs in in Music Wire (MW) Machine Hook (MH)

4 Item(s)