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803 - 12 Inch Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from Spring Steel with 36 coils and Closed & Ground ends. This spring features an O.D. of 1.375 Inch, and an I.D. of 0.961 Inch.

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 803
Ends Closed & Ground
Finish Zinc
Free Length 12 in
Inside Diameter 0.961 in
Material Spring Steel
Outside Diameter 1.375 in
Part Type Standard
Rate 49 lbs/in
SKU 803CS
Solid Length 7.45 in
Suggested Max Deflection 3.7 in
Suggested Max Load 179 lbf
Total Coils 36
Wire Diameter 0.207 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 803
Ends Closed & Ground
Finish Zinc
Free Length 304.8 mm
Inside Diameter 24.41 mm
Material Spring Steel
Outside Diameter 34.93 mm
Part Type Standard
Rate 8.58 N/mm
SKU 803CS
Solid Length 189.23 mm
Suggested Max Deflection 93.98 mm
Suggested Max Load 796.19 N
Total Coils 36
Wire Diameter 5.26 mm
The 803 compression spring is engineered for optimal performance in demanding applications. Constructed from high-quality hard drawn 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 803CS compression spring is designed with a free length of 12" total of 36.5 coils, and a rate of 67 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 803 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.