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D-1437CS - 4.50 Inch Chrome Alloy Die Springs

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The D-1437CS is an extra heavy duty chrome alloy die spring manufactured by Century Spring. This spring has a free length of 4.5 inches and a hole size of 0.75 inches. The wire diameter is 0.165 inches, with a maximum wire diameter of 0.135 inches. It has a deflection for average life of 0.68 inches, with an average life deflection force of 179 pounds. The deflection for long life is 0.9 inches, with a long life deflection force of 239 pounds. The maximum deflection is 1.13 inches, with a maximum deflection force of 298 pounds. The rate is 265 lbs/inch and the rod size is 0.375 inches. The D-1437CS is part of Century Spring's chrome alloy die spring family and has a green finish. It is suitable for various applications.

At Century Spring, we pride ourselves on our fast shipping and significant stock inventory. We understand the importance of timely delivery, which is why we strive to ship our products quickly. Additionally, our ample supply ensures that customers can find the springs they need for their projects. We are proud to manufacture our springs in the United States, ensuring high-quality craftsmanship and supporting local manufacturing. With Century Spring, you can rely on fast shipping, extensive inventory, and American-made products.

Unit System
Specs (in standard)
Label Value
Average Life Deflection Force 179 lb
Brand Century Spring
Deflection For Average Life 0.68 in
Deflection For Long Life 0.9 in
Duty Load Extra Heavy
Finish None
Finish Color Green
Free Length 4.5 in
Hole Size 0.75 in
Long Life Deflection Force 239 lb
Material Chrome Alloy
Maximum Deflection 1.13 in
Maximum Deflection Force 298 lb
Measurement Units Standard
Rate 265 lbs/in
Rod Size 0.375 in
SKU D-1437CS
Wire Diameter 0.165 in x 0.135 in
Specs (in metric)
Label Value
Average Life Deflection Force 81.18 kg
Brand Century Spring
Deflection For Average Life 17.27 mm
Deflection For Long Life 22.86 mm
Duty Load Extra Heavy
Finish None
Finish Color Green
Free Length 114.3 mm
Hole Size 19.05 mm
Long Life Deflection Force 108.39 kg
Material Chrome Alloy
Maximum Deflection 28.7 mm
Maximum Deflection Force 135.15 kg
Measurement Units Standard
Rate 29940.98 N/mm
Rod Size 9.53 mm
SKU D-1437CS
Wire Diameter 4.19 mm x 3.43 mm