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Century Spring

50218SCS - 0.669" 316 Stainless Steel Compression Spring

Inventory Status
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Compression spring manufactured from 316 stainless steel with 5 coils and closed & ground ends. This spring features an O.D. of 0.34", and an I.D. of 0.29".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 50218S
Ends Closed & Ground
Finish Passivated
Free Length 0.669 in
Inside Diameter 0.29 in
Material 316 Stainless Steel
Outside Diameter 0.34 in
Rate 5.047 lbs/in
SKU 50218SCS
Solid Length 0.124 in
Suggested Max Deflection 0.279 in
Suggested Max Load 1.406 lbf
Total Coils 5
Wire Diameter 0.025 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 50218S
Ends Closed & Ground
Finish Passivated
Free Length 16.99 mm
Inside Diameter 7.37 mm
Material 316 Stainless Steel
Outside Diameter 8.64 mm
Rate 0.88 N/mm
SKU 50218SCS
Solid Length 3.15 mm
Suggested Max Deflection 7.09 mm
Suggested Max Load 6.25 N
Total Coils 5
Wire Diameter 0.64 mm
The 50218SCS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.025" diameter 316 stainless steel, the 50218S spring design exhibits reliable strength across its 5 active coils, withstanding repeated compression cycles with a maximum load of 1.406 lbf without succumbing to fatigue.

We manufacture the 50218S design to provide a compression spring that is 0.669" long at rest and provides a consistent rate of 5.047 lbs/in along its recommended maximum of 0.279" deflection. For best results, your application should fully accommodate the inner (0.29") and outer (0.34") diameters of this spring and be designed for its closed & ground end configuration.

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