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Century Spring

71618SCS - 0.5" 302/304 Stainless Steel Compression Spring

Inventory Status
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Compression spring manufactured from 302/304 stainless steel with 4.4 coils and closed & ground ends. This spring features an O.D. of 0.48", and an I.D. of 0.318".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 71618S
Ends Closed & Ground
Finish None
Free Length 0.5 in
Inside Diameter 0.318 in
Material 302/304 Stainless Steel
Outside Diameter 0.48 in
Part Type Standard
Rate 380 lbs/in
SKU 71618SCS
Solid Length 0.357 in
Suggested Max Deflection 0.091 in
Suggested Max Load 35 lbf
Total Coils 4.4
Wire Diameter 0.082 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 71618S
Ends Closed & Ground
Finish None
Free Length 12.7 mm
Inside Diameter 8.08 mm
Material 302/304 Stainless Steel
Outside Diameter 12.19 mm
Part Type Standard
Rate 66.54 N/mm
SKU 71618SCS
Solid Length 9.07 mm
Suggested Max Deflection 2.31 mm
Suggested Max Load 155.68 N
Total Coils 4.4
Wire Diameter 2.08 mm
The 71618SCS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.082" diameter 302/304 stainless steel, the 71618S spring design exhibits reliable strength across its 4.4 active coils, withstanding repeated compression cycles with a maximum load of 35 lbf without succumbing to fatigue.

We manufacture the 71618S design to provide a compression spring that is 0.5" long at rest and provides a consistent rate of 380 lbs/in along its recommended maximum of 0.091" deflection. For best results, your application should fully accommodate the inner (0.318") and outer (0.48") diameters of this spring and be designed for its closed & ground end configuration.

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