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.

3389 - 0.81 Inch, 57 Inch Pounds Spring Steel Compression Spring

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

Compression spring manufactured from Spring Steel with 6 coils and Closed & Ground ends. This spring features an O.D. of 0.515 Inch, an I.D. of 0.39 Inch, and a spring rate of 57 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 3389
Ends Closed & Ground
Finish Zinc
Free Length 0.81 in
Inside Diameter 0.39 in
Material Spring Steel
Outside Diameter 0.515 in
Part Type Standard
Rate 57 lbs/in
SKU 3389CS
Solid Length 0.37 in
Suggested Max Deflection 0.29 in
Suggested Max Load 16 lbf
Total Coils 6
Wire Diameter 0.0625 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3389
Ends Closed & Ground
Finish Zinc
Free Length 20.57 mm
Inside Diameter 9.91 mm
Material Spring Steel
Outside Diameter 13.08 mm
Part Type Standard
Rate 9.98 N/mm
SKU 3389CS
Solid Length 9.4 mm
Suggested Max Deflection 7.37 mm
Suggested Max Load 71.17 N
Total Coils 6
Wire Diameter 1.59 mm