This browser is no longer supported. Upgrade to Microsoft Edge or switch to a supported browser, like Chrome, Safari, or Firefox, to explore the MW Components website.

We're sorry for the inconvenience.

D-9121811CS - 4.50 Inch Chrome Silicon Die Springs

Inventory:           
Estimated Lead Time

The D-9121811CS is a Chrome Silicon spring manufactured by Century Spring. This light duty spring has a free length of 4.5 inches and a hole size of 0.75 inches. It is designed to have a deflection of 1.12 inches for average life, with an average life deflection force of 67 pounds. For long life, it can deflect up to 1.35 inches with a long life deflection force of 81 pounds. The maximum deflection for this spring is 1.8 inches, with a maximum deflection force of 108 pounds. The wire diameter is 0.155 inches, and the max wire diameter is 0.082 inches. With a rate of 60 lbs/inch, the D-9121811CS is a reliable and versatile spring suitable for a range of applications.

At Century Spring, we pride ourselves on our fast shipping and extensive stock inventory. We understand the importance of timely delivery, which is why we strive to quickly ship out your orders. Additionally, our significant stock inventory ensures that we have the springs you need readily available. As an American company, we are proud to manufacture our products in the United States. When you choose Century Spring, you can trust that you are receiving high-quality springs made with precision and care.

Unit System
Specs (in standard)
Label Value
Average Life Deflection Force 67 lb
Brand Century Spring
Deflection For Average Life 1.12 in
Deflection For Long Life 1.35 in
Duty Load Light
Finish None
Finish Color Green
Free Length 4.5 in
Hole Size 0.75 in
Long Life Deflection Force 81 lb
Material Chrome Silicon
Maximum Deflection 1.8 in
Maximum Deflection Force 108 lb
Measurement Units Standard
Rate 60 lbs/in
Rod Size 0.375 in
SKU D-9121811CS
Wire Diameter 0.155 in x 0.082 in
Specs (in metric)
Label Value
Average Life Deflection Force 30.39 kg
Brand Century Spring
Deflection For Average Life 28.45 mm
Deflection For Long Life 34.29 mm
Duty Load Light
Finish None
Finish Color Green
Free Length 114.3 mm
Hole Size 19.05 mm
Long Life Deflection Force 36.73 kg
Material Chrome Silicon
Maximum Deflection 45.72 mm
Maximum Deflection Force 48.98 kg
Measurement Units Standard
Rate 6779.09 N/mm
Rod Size 9.53 mm
SKU D-9121811CS
Wire Diameter 3.94 mm x 2.08 mm