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Century Spring

71778SCS - 3.5" 302/304 Stainless Steel Compression Spring

Inventory Status
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Compression spring manufactured from 302/304 stainless steel with 16.5 coils and closed & ground ends. This spring features an O.D. of 0.6", and an I.D. of 0.474".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 71778S
Ends Closed & Ground
Finish None
Free Length 3.5 in
Inside Diameter 0.474 in
Material 302/304 Stainless Steel
Outside Diameter 0.6 in
Part Type Standard
Rate 8.5 lbs/in
SKU 71778SCS
Solid Length 1.028 in
Suggested Max Deflection 1.599 in
Suggested Max Load 13.6 lbf
Total Coils 16.5
Wire Diameter 0.0625 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 71778S
Ends Closed & Ground
Finish None
Free Length 88.9 mm
Inside Diameter 12.04 mm
Material 302/304 Stainless Steel
Outside Diameter 15.24 mm
Part Type Standard
Rate 1.49 N/mm
SKU 71778SCS
Solid Length 26.11 mm
Suggested Max Deflection 40.61 mm
Suggested Max Load 60.49 N
Total Coils 16.5
Wire Diameter 1.59 mm
The 71778S compression spring is engineered for optimal performance in demanding applications. Constructed from high-quality 302/304 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 71778SCS compression spring is designed with a free length of 3.5" total of 16.5 coils, and a rate of 10 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 71778S 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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