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D-9121221CS - 3 Inch Chrome Silicon Die Springs

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The D-9121221CS is a medium duty compression spring manufactured by Century Spring. This spring is made from high-quality chrome silicon material, ensuring durability and longevity. It has a wire diameter of 0.155 Inch and a maximum wire diameter of 0.098 inches. With a free length of 3 inches, it provides ample flexibility for various applications. The D-9121221CS has a deflection for average life of 0.75 inches, with an average life deflection force of 105 Pound. It also has a deflection for long life of 0.9 inches, with a long life deflection force of 127 Pound. This spring offers a maximum deflection of 1.12 inches, with a maximum deflection force of 158 Pound. With a rate of 141 lbs/inch, it provides reliable and consistent performance. The D-9121221CS is a standard-sized spring, with a rod size of 0.375 inches. It comes in a blue finish, representing the chrome silicon material. With its medium duty load capacity, this spring is versatile and suitable for various applications.

At Century Spring, we understand the importance of prompt delivery and maintaining a wide selection of quality springs. That's why we offer fast shipping and keep a significant stock inventory. We are proud to say that all our springs, including the D-9121221CS, are made in the United States. Our commitment to excellence ensures that you receive reliable and high-performing springs for your projects. Trust Century Spring for all your spring needs.

Unit System
Specs (in standard)
Label Value
Average Life Deflection Force 105 lb
Brand Century Spring
Deflection For Average Life 0.75 in
Deflection For Long Life 0.9 in
Duty Load Medium
Finish None
Finish Color Blue
Free Length 3 in
Hole Size 0.75 in
Long Life Deflection Force 127 lb
Material Chrome Silicon
Maximum Deflection 1.12 in
Maximum Deflection Force 158 lb
Measurement Units Standard
Rate 141 lbs/in
Rod Size 0.375 in
SKU D-9121221CS
Wire Diameter 0.155 in x 0.098 in
Specs (in metric)
Label Value
Average Life Deflection Force 47.62 kg
Brand Century Spring
Deflection For Average Life 19.05 mm
Deflection For Long Life 22.86 mm
Duty Load Medium
Finish None
Finish Color Blue
Free Length 76.2 mm
Hole Size 19.05 mm
Long Life Deflection Force 57.6 kg
Material Chrome Silicon
Maximum Deflection 28.45 mm
Maximum Deflection Force 71.66 kg
Measurement Units Standard
Rate 15930.86 N/mm
Rod Size 9.53 mm
SKU D-9121221CS
Wire Diameter 3.94 mm x 2.49 mm