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Century Spring

73420CS - 12" Oil Tempered Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from oil tempered with 13.5 coils and closed & ground ends. This spring features an O.D. of 3.656", and an I.D. of 2.47".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 73420
Ends Closed & Ground
Finish None
Free Length 12 in
Inside Diameter 2.47 in
Material Oil Tempered
Outside Diameter 3.656 in
Part Type Standard
Rate 538 lbs/in
SKU 73420CS
Solid Length 8.01 in
Suggested Max Deflection 2.6 in
Suggested Max Load 1389 lbf
Total Coils 13.5
Wire Diameter 0.593 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 73420
Ends Closed & Ground
Finish None
Free Length 304.8 mm
Inside Diameter 62.74 mm
Material Oil Tempered
Outside Diameter 92.86 mm
Part Type Standard
Rate 94.2 N/mm
SKU 73420CS
Solid Length 203.45 mm
Suggested Max Deflection 66.04 mm
Suggested Max Load 6178.27 N
Total Coils 13.5
Wire Diameter 15.06 mm
The 73420 compression spring is engineered for optimal performance in demanding applications. Constructed from high-quality oil tempered 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 73420CS compression spring is designed with a free length of 10" total of 11.4 coils, and a rate of 660 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 73420 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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