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12738CS - 7.25" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 50 coils and closed ends. This spring features an O.D. of 0.234", and an I.D. of 0.156".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 12738
Ends Closed
Finish None
Free Length 7.25 in
Inside Diameter 0.156 in
Material Spring Steel
Outside Diameter 0.234 in
Part Type Standard
Rate 9.3 lbs/in
SKU 12738CS
Solid Length 1.99 in
Suggested Max Deflection 1 in
Suggested Max Load 9.3 lbf
Total Coils 50
Wire Diameter 0.039 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 12738
Ends Closed
Finish None
Free Length 184.15 mm
Inside Diameter 3.96 mm
Material Spring Steel
Outside Diameter 5.94 mm
Part Type Standard
Rate 1.63 N/mm
SKU 12738CS
Solid Length 50.55 mm
Suggested Max Deflection 25.4 mm
Suggested Max Load 41.37 N
Total Coils 50
Wire Diameter 0.99 mm
The 12738 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 12738CS compression spring is designed with a free length of 1.31" total of 4.5 coils, and a rate of 17 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 12738 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.