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Century Spring

61818SCS - 2.5" 316 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 316 stainless steel with 32.18 coils and closed & ground ends. This spring features an O.D. of 0.25", and an I.D. of 0.18".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 61818S
Ends Closed & Ground
Finish Passivated
Free Length 2.5 in
Inside Diameter 0.18 in
Material 316 Stainless Steel
Outside Diameter 0.25 in
Part Type Standard
Rate 6.252 lbs/in
SKU 61818SCS
Solid Length 1.16 in
Suggested Max Deflection 0.83 in
Suggested Max Load 5.189 lbf
Total Coils 32.18
Wire Diameter 0.035 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 61818S
Ends Closed & Ground
Finish Passivated
Free Length 63.5 mm
Inside Diameter 4.57 mm
Material 316 Stainless Steel
Outside Diameter 6.35 mm
Part Type Standard
Rate 1.09 N/mm
SKU 61818SCS
Solid Length 29.46 mm
Suggested Max Deflection 21.08 mm
Suggested Max Load 23.08 N
Total Coils 32.18
Wire Diameter 0.89 mm
The 61818SCS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.035" diameter 316 stainless steel, the 61818S spring design exhibits reliable strength across its 32.18 active coils, withstanding repeated compression cycles with a maximum load of 5.189 lbf without succumbing to fatigue.

We manufacture the 61818S design to provide a compression spring that is 2.5" long at rest and provides a consistent rate of 6.252 lbs/in along its recommended maximum of 0.83" deflection. For best results, your application should fully accommodate the inner (0.18") and outer (0.25") diameters of this spring and be designed for its closed & ground end configuration.

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