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Century Spring

66989SCS - 0.41" 316 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 316 stainless steel with 6 coils and closed & ground ends. This spring features an O.D. of 0.25", and an I.D. of 0.2".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 66989S
Ends Closed & Ground
Finish Passivated
Free Length 0.41 in
Inside Diameter 0.2 in
Material 316 Stainless Steel
Outside Diameter 0.25 in
Part Type Standard
Rate 10.717 lbs/in
SKU 66989SCS
Solid Length 0.15 in
Suggested Max Deflection 0.18 in
Suggested Max Load 1.929 lbf
Total Coils 6
Wire Diameter 0.025 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 66989S
Ends Closed & Ground
Finish Passivated
Free Length 10.41 mm
Inside Diameter 5.08 mm
Material 316 Stainless Steel
Outside Diameter 6.35 mm
Part Type Standard
Rate 1.88 N/mm
SKU 66989SCS
Solid Length 3.81 mm
Suggested Max Deflection 4.57 mm
Suggested Max Load 8.58 N
Total Coils 6
Wire Diameter 0.64 mm
The 66989SCS 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 66989S spring design exhibits reliable strength across its 6 active coils, withstanding repeated compression cycles with a maximum load of 1.929 lbf without succumbing to fatigue.

We manufacture the 66989S design to provide a compression spring that is 0.41" long at rest and provides a consistent rate of 10.717 lbs/in along its recommended maximum of 0.18" deflection. For best results, your application should fully accommodate the inner (0.2") and outer (0.25") diameters of this spring and be designed for its closed & ground end configuration.

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