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10990 - 6.5 Inch Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from Spring Steel with 11.3 coils and Closed & Ground ends. This spring features an O.D. of 1.812 Inch, and an I.D. of 1.428 Inch.

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 10990
Ends Closed & Ground
Finish Zinc
Free Length 6.5 in
Inside Diameter 1.428 in
Material Spring Steel
Outside Diameter 1.812 in
Part Type Standard
Rate 50 lbs/in
SKU 10990CS
Solid Length 2.16 in
Suggested Max Deflection 2.2 in
Suggested Max Load 112 lbf
Total Coils 11.3
Wire Diameter 0.192 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 10990
Ends Closed & Ground
Finish Zinc
Free Length 165.1 mm
Inside Diameter 36.27 mm
Material Spring Steel
Outside Diameter 46.02 mm
Part Type Standard
Rate 8.76 N/mm
SKU 10990CS
Solid Length 54.86 mm
Suggested Max Deflection 55.88 mm
Suggested Max Load 498.18 N
Total Coils 11.3
Wire Diameter 4.88 mm
The 10990 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 10990CS compression spring is designed with a free length of 4.06" total of 12 coils, and a rate of 255 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 10990 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.