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Century Spring

71729CS - 0.63" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 3.75 coils and closed & ground ends. This spring features an O.D. of 0.6", and an I.D. of 0.502".

NOTE: The spring rate value for compression springs with 4 coils or less is a reference value.

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 71729
Ends Closed & Ground
Finish None
Free Length 0.63 in
Inside Diameter 0.502 in
Material Music Wire
Outside Diameter 0.6 in
Part Type Standard
Rate 28 lbs/in
SKU 71729CS
Solid Length 0.18 in
Suggested Max Deflection 0.38 in
Suggested Max Load 11 lbf
Total Coils 3.75
Wire Diameter 0.049 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 71729
Ends Closed & Ground
Finish None
Free Length 16 mm
Inside Diameter 12.75 mm
Material Music Wire
Outside Diameter 15.24 mm
Part Type Standard
Rate 4.9 N/mm
SKU 71729CS
Solid Length 4.57 mm
Suggested Max Deflection 9.65 mm
Suggested Max Load 48.93 N
Total Coils 3.75
Wire Diameter 1.24 mm
The 71729 compression spring is engineered for optimal performance in demanding applications. Constructed from high-quality music wire and designed with precision and durability in mind, this spring is an essential component for a variety of mechanical systems where reliable force and resilience are paramount.

The 71729CS compression spring is designed with a free length of 3.5" total of 14.3 coils, and a rate of 2.4 lbs/in providing a balanced combination of flexibility and strength. This spring coil, and its closed & ground end configuration allows for efficient energy storage and release, making it suitable for applications requiring precise motion control.

The 71729 spring design is ideal for use in industrial machinery, automotive systems, and various mechanical assemblies where reliable force application is crucial. Its robust construction and thoughtful design make it a dependable choice for engineers seeking a high-performance spring solution.

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