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3545 - 0.75 Inch, 31 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 4 total coils and Closed & Ground ends. This spring features an O.D. of 0.5 Inch, an I.D. of 0.41 Inch, and a spring rate of 31 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 3545
Ends Closed & Ground
Finish Zinc
Free Length 0.75 in
Inside Diameter 0.41 in
Material Music Wire
Outside Diameter 0.5 in
Part Type Standard
Rate 31 lbs/in
SKU 3545CS
Solid Length 0.18 in
Suggested Max Deflection 0.31 in
Suggested Max Load 9.8 lbf
Total Coils 4
Wire Diameter 0.045 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3545
Ends Closed & Ground
Finish Zinc
Free Length 19.05 mm
Inside Diameter 10.41 mm
Material Music Wire
Outside Diameter 12.7 mm
Part Type Standard
Rate 5.43 N/mm
SKU 3545CS
Solid Length 4.57 mm
Suggested Max Deflection 7.87 mm
Suggested Max Load 43.59 N
Total Coils 4
Wire Diameter 1.14 mm

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