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Century Spring

II-28CS - 2.28" 302/304 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 302/304 stainless steel with 35 coils and closed & ground ends. This spring features an O.D. of 0.266", and an I.D. of 0.166".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name II-28
Ends Closed & Ground
Finish None
Free Length 2.28 in
Inside Diameter 0.166 in
Material 302/304 Stainless Steel
Outside Diameter 0.266 in
Part Type Standard
Rate 24 lbs/in
SKU II-28CS
Solid Length 1.75 in
Suggested Max Deflection 0.53 in
Suggested Max Load 13 lbf
Total Coils 35
Wire Diameter 0.05 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name II-28
Ends Closed & Ground
Finish None
Free Length 57.91 mm
Inside Diameter 4.22 mm
Material 302/304 Stainless Steel
Outside Diameter 6.76 mm
Part Type Standard
Rate 4.2 N/mm
SKU II-28CS
Solid Length 44.45 mm
Suggested Max Deflection 13.46 mm
Suggested Max Load 57.82 N
Total Coils 35
Wire Diameter 1.27 mm
The II-28CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.05" diameter 302/304 stainless steel, the II-28 spring design exhibits reliable strength across its 35 active coils, withstanding repeated compression cycles with a maximum load of 13 lbf without succumbing to fatigue.

We manufacture the II-28 design to provide a compression spring that is 2.28" long at rest and provides a consistent rate of 24 lbs/in along its recommended maximum of 0.53" deflection. For best results, your application should fully accommodate the inner (0.166") and outer (0.266") diameters of this spring and be designed for its closed & ground end configuration.

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