This browser is no longer supported. Upgrade to Microsoft Edge or switch to a supported browser, like Chrome, Safari, or Firefox, to explore the MW Components website.

We're sorry for the inconvenience.

B9-12 - 0.69 Inch, 3.7 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 3.33 total coils and Closed ends. This spring features an O.D. of 0.484 Inch, an I.D. of 0.436 Inch, and a spring rate of 3.7 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 B9-12
Ends Closed
Finish Zinc
Free Length 0.69 in
Inside Diameter 0.436 in
Material Music Wire
Outside Diameter 0.484 in
Part Type Standard
Rate 3.7 lbs/in
SKU B9-12CS
Solid Length 0.1 in
Suggested Max Deflection 0.47 in
Suggested Max Load 1.7 lbf
Total Coils 3.33
Wire Diameter 0.024 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name B9-12
Ends Closed
Finish Zinc
Free Length 17.53 mm
Inside Diameter 11.07 mm
Material Music Wire
Outside Diameter 12.29 mm
Part Type Standard
Rate 0.65 N/mm
SKU B9-12CS
Solid Length 2.54 mm
Suggested Max Deflection 11.94 mm
Suggested Max Load 7.56 N
Total Coils 3.33
Wire Diameter 0.61 mm

You May Also Like

Related Resources

View More Resources