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Century Spring

4012CS - 23" 302/304 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 302/304 stainless steel with 54.9 coils and closed & ground ends. This spring features an O.D. of 1.312", and an I.D. of 1.028".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 4012
Ends Closed & Ground
Finish None
Free Length 23 in
Inside Diameter 1.028 in
Material 302/304 Stainless Steel
Outside Diameter 1.312 in
Part Type Standard
Rate 6 lbs/in
SKU 4012CS
Solid Length 7.8 in
Suggested Max Deflection 10 in
Suggested Max Load 60 lbf
Total Coils 54.9
Wire Diameter 0.142 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 4012
Ends Closed & Ground
Finish None
Free Length 584.2 mm
Inside Diameter 26.11 mm
Material 302/304 Stainless Steel
Outside Diameter 33.32 mm
Part Type Standard
Rate 1.05 N/mm
SKU 4012CS
Solid Length 198.12 mm
Suggested Max Deflection 254 mm
Suggested Max Load 266.88 N
Total Coils 54.9
Wire Diameter 3.61 mm
The 4012 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 4012CS compression spring is designed with a free length of 20" total of 40 coils, and a rate of 1.1 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 4012 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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