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3506 - 0.53 Inch, 4.2 Inch Pounds Music Wire Compression Spring

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

Regular compression spring in Music Wire with 3 total coils and Closed ends. This spring features an O.D. of 0.625 Inch, an I.D. of 0.569 Inch, and a spring rate of 4.2 Inch Pounds.

NOTE: The spring rate value for compression springs with 4 coils or less is a reference value.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 3506
Ends Closed
Finish Zinc
Free Length 0.53 in
Inside Diameter 0.569 in
Material Music Wire
Outside Diameter 0.625 in
Part Type Standard
Rate 4.2 lbs/in
SKU 3506CS
Solid Length 0.11 in
Suggested Max Deflection 0.42 in
Suggested Max Load 1.7 lbf
Total Coils 3
Wire Diameter 0.028 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3506
Ends Closed
Finish Zinc
Free Length 13.46 mm
Inside Diameter 14.45 mm
Material Music Wire
Outside Diameter 15.88 mm
Part Type Standard
Rate 0.74 N/mm
SKU 3506CS
Solid Length 2.79 mm
Suggested Max Deflection 10.67 mm
Suggested Max Load 7.56 N
Total Coils 3
Wire Diameter 0.71 mm

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