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D-9121821CS - 4.50 Inch Chrome Silicon Die Springs

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The D-9121821CS is a medium duty compression spring manufactured by Century Spring. This spring is made from high-quality chrome silicon material, ensuring durability and reliability. 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 4.5 Inches, and it has a hole size of 0.75 inches. The deflection for average life is 1.13 Inches, with an average life deflection force of 105 Pound. For long life, the deflection is 1.36 Inches, with a long life deflection force of 126 Pound. The maximum deflection this spring can handle is 1.7 Inches, with a maximum deflection force of 158 Pound. With a rate of 93 lbs/inch, this spring offers the right balance of strength and flexibility. The D-9121821CS is part of the Springs - Die - Chrome family and has a blue finish. Century Spring is proud to offer this high-quality spring that meets the industry standards.

Century Spring takes pride in its fast shipping and significant stock inventory. We understand the importance of timely delivery and strive to fulfill orders promptly. Our vast inventory ensures that we have the springs you need readily available. Moreover, all our springs, including the D-9121821CS, are made in the United States. We prioritize quality and craftsmanship, and our American-made springs reflect that commitment. Trust Century Spring for your spring needs, and experience our efficient shipping and extensive stock selection for yourself.

Unit System
Specs (in standard)
Label Value
Average Life Deflection Force 105 lb
Brand Century Spring
Deflection For Average Life 1.13 in
Deflection For Long Life 1.36 in
Duty Load Medium
Finish None
Finish Color Blue
Free Length 4.5 in
Hole Size 0.75 in
Long Life Deflection Force 126 lb
Material Chrome Silicon
Maximum Deflection 1.7 in
Maximum Deflection Force 158 lb
Measurement Units Standard
Rate 93 lbs/in
Rod Size 0.375 in
SKU D-9121821CS
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 28.7 mm
Deflection For Long Life 34.54 mm
Duty Load Medium
Finish None
Finish Color Blue
Free Length 114.3 mm
Hole Size 19.05 mm
Long Life Deflection Force 57.14 kg
Material Chrome Silicon
Maximum Deflection 43.18 mm
Maximum Deflection Force 71.66 kg
Measurement Units Standard
Rate 10507.59 N/mm
Rod Size 9.53 mm
SKU D-9121821CS
Wire Diameter 3.94 mm x 2.49 mm