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Century Spring

S-243CS - 1.5" 302/304 Stainless Steel Compression Spring

Inventory Status
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Compression spring manufactured from 302/304 stainless steel with 9 coils and closed & ground ends. This spring features an O.D. of 0.5", and an I.D. of 0.392".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name S-243
Ends Closed & Ground
Finish None
Free Length 1.5 in
Inside Diameter 0.392 in
Material 302/304 Stainless Steel
Outside Diameter 0.5 in
Part Type Standard
Rate 17 lbs/in
SKU S-243CS
Solid Length 0.49 in
Suggested Max Deflection 0.62 in
Suggested Max Load 11 lbf
Total Coils 9
Wire Diameter 0.054 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-243
Ends Closed & Ground
Finish None
Free Length 38.1 mm
Inside Diameter 9.96 mm
Material 302/304 Stainless Steel
Outside Diameter 12.7 mm
Part Type Standard
Rate 2.98 N/mm
SKU S-243CS
Solid Length 12.45 mm
Suggested Max Deflection 15.75 mm
Suggested Max Load 48.93 N
Total Coils 9
Wire Diameter 1.37 mm
The S-243CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.054" diameter 302/304 stainless steel, the S-243 spring design exhibits reliable strength across its 9 active coils, withstanding repeated compression cycles with a maximum load of 11 lbf without succumbing to fatigue.

We manufacture the S-243 design to provide a compression spring that is 1.5" long at rest and provides a consistent rate of 17 lbs/in along its recommended maximum of 0.62" deflection. For best results, your application should fully accommodate the inner (0.392") and outer (0.5") diameters of this spring and be designed for its closed & ground end configuration.

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