TRUSCO Steel Compression Coil Spring D20Xd4XL64 (2 pieces) TST-66377 1 PK

Catalog number: TST-66377 Features: ● A spring used in the compression direction, with wire wound in a spiral shape with gaps between each coil. ● Dimensional and spring characteristic tolerances comply with JIS B2704 Class 2. Applications: ● A spring used in the compression direction. Specifications: ● Wire diameter d (mm): 4.0 ● Outer diameter D (mm): 20.0 ● Free height L (mm): 64.0 ● Number of turns (turns): 11.75 ● Spring constant (N/mm): 62.861 ● Allowable load (N): 649.6 ● Load height L1 (mm): 53.70 ● Solid height (mm): 47.0 ● Outer diameter (mm): 64.0 ● Terminal shape: Closed end ● Winding direction: Right-handed winding ● Operating temperature range: 110°C or less Material/Finish: ● Steel (piano wire)