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Century Spring

61578SCS - 0.438" 316 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 316 stainless steel with 8.2 coils and closed & ground ends. This spring features an O.D. of 0.18", and an I.D. of 0.122".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 61578S
Ends Closed & Ground
Finish Passivated
Free Length 0.438 in
Inside Diameter 0.122 in
Material 316 Stainless Steel
Outside Diameter 0.18 in
Part Type Standard
Rate 41.7 lbs/in
SKU 61578SCS
Solid Length 0.25 in
Suggested Max Deflection 0.098 in
Suggested Max Load 4.087 lbf
Total Coils 8.2
Wire Diameter 0.029 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 61578S
Ends Closed & Ground
Finish Passivated
Free Length 11.13 mm
Inside Diameter 3.1 mm
Material 316 Stainless Steel
Outside Diameter 4.57 mm
Part Type Standard
Rate 7.3 N/mm
SKU 61578SCS
Solid Length 6.35 mm
Suggested Max Deflection 2.49 mm
Suggested Max Load 18.18 N
Total Coils 8.2
Wire Diameter 0.74 mm
The 61578SCS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.029" diameter 316 stainless steel, the 61578S spring design exhibits reliable strength across its 8.2 active coils, withstanding repeated compression cycles with a maximum load of 4.087 lbf without succumbing to fatigue.

We manufacture the 61578S design to provide a compression spring that is 0.438" long at rest and provides a consistent rate of 41.7 lbs/in along its recommended maximum of 0.098" deflection. For best results, your application should fully accommodate the inner (0.122") and outer (0.18") diameters of this spring and be designed for its closed & ground end configuration.

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