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Century Spring

B15-56CS - 0.69" 302/304 Stainless Steel Compression Spring

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Compression spring manufactured from 302/304 stainless steel with 8 coils and closed ends. This spring features an O.D. of 0.328", and an I.D. of 0.302".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name B15-56
Ends Closed
Finish None
Free Length 0.69 in
Inside Diameter 0.302 in
Material 302/304 Stainless Steel
Outside Diameter 0.328 in
Part Type Standard
Rate 0.19 lbs/in
SKU B15-56CS
Solid Length 0.12 in
Suggested Max Deflection 0.57 in
Suggested Max Load 0.11 lbf
Total Coils 8
Wire Diameter 0.013 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name B15-56
Ends Closed
Finish None
Free Length 17.53 mm
Inside Diameter 7.67 mm
Material 302/304 Stainless Steel
Outside Diameter 8.33 mm
Part Type Standard
Rate 0.03 N/mm
SKU B15-56CS
Solid Length 3.05 mm
Suggested Max Deflection 14.48 mm
Suggested Max Load 0.49 N
Total Coils 8
Wire Diameter 0.33 mm
The B15-56 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 B15-56CS compression spring is designed with a free length of 5.5" total of 31 coils, and a rate of 2.6 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 B15-56 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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