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Century Spring

68428SCS - 0.28" 316 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 316 stainless steel with 3.5 coils and closed ends. This spring features an O.D. of 0.328", and an I.D. of 0.264".

NOTE: The spring rate value for compression springs with 4 coils or less is a reference value.

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 68428S
Ends Closed
Finish Passivated
Free Length 0.28 in
Inside Diameter 0.264 in
Material 316 Stainless Steel
Outside Diameter 0.328 in
Part Type Standard
Rate 33.693 lbs/in
SKU 68428SCS
Solid Length 0.144 in
Suggested Max Deflection 0.092 in
Suggested Max Load 3.1 lbf
Total Coils 3.5
Wire Diameter 0.032 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 68428S
Ends Closed
Finish Passivated
Free Length 7.11 mm
Inside Diameter 6.71 mm
Material 316 Stainless Steel
Outside Diameter 8.33 mm
Part Type Standard
Rate 5.9 N/mm
SKU 68428SCS
Solid Length 3.66 mm
Suggested Max Deflection 2.34 mm
Suggested Max Load 13.79 N
Total Coils 3.5
Wire Diameter 0.81 mm
The 68428SCS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.032" diameter 316 stainless steel, the 68428S spring design exhibits reliable strength across its 3.5 active coils, withstanding repeated compression cycles with a maximum load of 3.1 lbf without succumbing to fatigue.

We manufacture the 68428S design to provide a compression spring that is 0.28" long at rest and provides a consistent rate of 33.693 lbs/in along its recommended maximum of 0.092" deflection. For best results, your application should fully accommodate the inner (0.264") and outer (0.328") diameters of this spring and be designed for its closed end configuration.

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