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Century Spring

66420SCS - 1.75" 316 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 316 stainless steel with 23.5 coils and closed ends. This spring features an O.D. of 0.156", and an I.D. of 0.128".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 66420S
Ends Closed
Finish Passivated
Free Length 1.75 in
Inside Diameter 0.128 in
Material 316 Stainless Steel
Outside Diameter 0.156 in
Part Type Standard
Rate 0.78 lbs/in
SKU 66420SCS
Solid Length 0.343 in
Suggested Max Deflection 0.715 in
Suggested Max Load 0.558 lbf
Total Coils 23.5
Wire Diameter 0.014 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 66420S
Ends Closed
Finish Passivated
Free Length 44.45 mm
Inside Diameter 3.25 mm
Material 316 Stainless Steel
Outside Diameter 3.96 mm
Part Type Standard
Rate 0.14 N/mm
SKU 66420SCS
Solid Length 8.71 mm
Suggested Max Deflection 18.16 mm
Suggested Max Load 2.48 N
Total Coils 23.5
Wire Diameter 0.36 mm
The 66420S compression spring is engineered for optimal performance in demanding applications. Constructed from high-quality 316 stainless steel 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 66420SCS compression spring is designed with a free length of 1.75" total of 35.3 coils, and a rate of 11.002 lbs/in providing a balanced combination of flexibility and strength. This spring coil, and its closed end configuration allows for efficient energy storage and release, making it suitable for applications requiring precise motion control.

The 66420S 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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