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Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours

Compression spring manufactured from Music Wire with 6 coils and Closed & Ground ends. This spring features an O.D. of 0.25 Inch, and an I.D. of 0.18 Inch.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 3566
Ends Closed & Ground
Finish Zinc
Free Length 0.38 in
Inside Diameter 0.18 in
Material Music Wire
Outside Diameter 0.25 in
Part Type Standard
Rate 54 lbs/in
SKU 3566CS
Solid Length 0.21 in
Suggested Max Deflection 0.16 in
Suggested Max Load 8.9 lbf
Total Coils 6
Wire Diameter 0.035 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3566
Ends Closed & Ground
Finish Zinc
Free Length 9.65 mm
Inside Diameter 4.57 mm
Material Music Wire
Outside Diameter 6.35 mm
Part Type Standard
Rate 9.46 N/mm
SKU 3566CS
Solid Length 5.33 mm
Suggested Max Deflection 4.06 mm
Suggested Max Load 39.59 N
Total Coils 6
Wire Diameter 0.89 mm