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Century Spring

66638SCS - 0.78" 316 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 316 stainless steel with 13 coils and closed ends. This spring features an O.D. of 0.188", and an I.D. of 0.136".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 66638S
Ends Closed
Finish Passivated
Free Length 0.78 in
Inside Diameter 0.136 in
Material 316 Stainless Steel
Outside Diameter 0.188 in
Part Type Standard
Rate 12.214 lbs/in
SKU 66638SCS
Solid Length 0.364 in
Suggested Max Deflection 0.231 in
Suggested Max Load 2.821 lbf
Total Coils 13
Wire Diameter 0.026 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 66638S
Ends Closed
Finish Passivated
Free Length 19.81 mm
Inside Diameter 3.45 mm
Material 316 Stainless Steel
Outside Diameter 4.78 mm
Part Type Standard
Rate 2.14 N/mm
SKU 66638SCS
Solid Length 9.25 mm
Suggested Max Deflection 5.87 mm
Suggested Max Load 12.55 N
Total Coils 13
Wire Diameter 0.66 mm
The 66638S 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 66638SCS compression spring is designed with a free length of 0.78" total of 12 coils, and a rate of 18.758 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 66638S 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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