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S-3220CS - 4.5" 302/304 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 302/304 stainless steel with 18.2 coils and closed & ground ends. This spring features an O.D. of 0.765", and an I.D. of 0.639".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name S-3220
Ends Closed & Ground
Finish None
Free Length 4.5 in
Inside Diameter 0.639 in
Material 302/304 Stainless Steel
Outside Diameter 0.765 in
Part Type Standard
Rate 3.4 lbs/in
SKU S-3220CS
Solid Length 1.136 in
Suggested Max Deflection 3.173 in
Suggested Max Load 10.8 lbf
Total Coils 18.2
Wire Diameter 0.0625 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-3220
Ends Closed & Ground
Finish None
Free Length 114.3 mm
Inside Diameter 16.23 mm
Material 302/304 Stainless Steel
Outside Diameter 19.43 mm
Part Type Standard
Rate 0.6 N/mm
SKU S-3220CS
Solid Length 28.85 mm
Suggested Max Deflection 80.59 mm
Suggested Max Load 48.04 N
Total Coils 18.2
Wire Diameter 1.59 mm
The S-3220 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 S-3220CS compression spring is designed with a free length of 2.19" total of 10.3 coils, and a rate of 956 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 S-3220 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.