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1813CS - 3.5" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 20.8 coils and closed & ground ends. This spring features an O.D. of 0.562", and an I.D. of 0.302".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 1813
Ends Closed & Ground
Finish Zinc
Free Length 3.5 in
Inside Diameter 0.302 in
Material Spring Steel
Outside Diameter 0.562 in
Part Type Standard
Rate 272 lbs/in
SKU 1813CS
Solid Length 2.7 in
Suggested Max Deflection 0.4 in
Suggested Max Load 109 lbf
Total Coils 20.8
Wire Diameter 0.13 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 1813
Ends Closed & Ground
Finish Zinc
Free Length 88.9 mm
Inside Diameter 7.67 mm
Material Spring Steel
Outside Diameter 14.27 mm
Part Type Standard
Rate 47.63 N/mm
SKU 1813CS
Solid Length 68.58 mm
Suggested Max Deflection 10.16 mm
Suggested Max Load 484.83 N
Total Coils 20.8
Wire Diameter 3.3 mm
The 1813 compression spring is engineered for optimal performance in demanding applications. Constructed from high-quality spring 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 1813CS compression spring is designed with a free length of 4.88" total of 27.8 coils, and a rate of 28 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 1813 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.