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1621 - 11 Inch Spring Steel Compression Spring

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Compression spring manufactured from Spring Steel with 22 coils and Closed & Ground ends. This spring features an O.D. of 1.796 Inch, and an I.D. of 1.416 Inch.

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 1621
Ends Closed & Ground
Finish Zinc
Free Length 11 in
Inside Diameter 1.416 in
Material Spring Steel
Outside Diameter 1.796 in
Part Type Standard
Rate 23 lbs/in
SKU 1621CS
Solid Length 4.18 in
Suggested Max Deflection 4.8 in
Suggested Max Load 109 lbf
Total Coils 22
Wire Diameter 0.19 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 1621
Ends Closed & Ground
Finish Zinc
Free Length 279.4 mm
Inside Diameter 35.97 mm
Material Spring Steel
Outside Diameter 45.62 mm
Part Type Standard
Rate 4.03 N/mm
SKU 1621CS
Solid Length 106.17 mm
Suggested Max Deflection 121.92 mm
Suggested Max Load 484.83 N
Total Coils 22
Wire Diameter 4.83 mm
The 1621CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.19" diameter hard drawn, the 1621 spring design exhibits reliable strength across its 22 active coils, withstanding repeated compression cycles with a maximum load of 109 lbf without succumbing to fatigue.

We manufacture the 1621 design to provide a compression spring that is 11" long at rest and provides a consistent rate of 23 lbs/in along its recommended maximum of 4.8" deflection. For best results, your application should fully accommodate the inner (1.416") and outer (1.796") diameters of this spring and be designed for its closed & ground end configuration.

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