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D-9121621CS - 4 Inch Chrome Silicon Die Springs

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The D-9121621CS is a medium duty compression spring manufactured by Century Spring. This spring is made from Chrome Silicon material and has a blue finish. It has a wire diameter of 0.155 inch and a maximum wire diameter of 0.098 inches. The free length of the spring is 4 inches, and it has a hole size of 0.75 inches.

The D-9121621CS has a deflection for average life of 1 inches, with an average life deflection force of 106 pounds. For long life, it has a deflection of 1.2 inches and a long life deflection force of 128 pounds. The maximum deflection of the spring is 1.51 inches, with a maximum deflection force of 160 pounds. The spring rate is 106 lbs/inch, and it has a rod size of 0.375 inches.

Century Spring takes pride in offering fast shipping and maintaining a significant stock inventory. Our products, including the D-9121621CS, are made in the United States. With our reliable shipping and ample supply, Century Spring ensures that customers can quickly receive the springs they need for their projects.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Duty Load Medium
Finish None
Finish Color Blue
Free Length 4 in
Hole Size 0.75 in
Material Chrome Silicon
Measurement Units Standard
Rate 106 lbs/in
Rod Size 0.375 in
SKU D-9121621CS
Wire Diameter 0.155 in x 0.098 in
Specs (in metric)
Label Value
Brand Century Spring
Duty Load Medium
Finish None
Finish Color Blue
Free Length 101.6 mm
Hole Size 19.05 mm
Material Chrome Silicon
Measurement Units Standard
Rate 18.56 N/mm
Rod Size 9.53 mm
SKU D-9121621CS
Wire Diameter 3.94 mm x 2.49 mm