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.

U-77 - 0.75 Inch, 59 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 12.5 coils and Closed & Ground ends. This spring features an O.D. of 0.188 Inch, an I.D. of 0.118 Inch, and a spring rate of 59 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name U-77
Ends Closed & Ground
Finish None
Free Length 0.75 in
Inside Diameter 0.118 in
Material Spring Steel
Outside Diameter 0.188 in
Part Type Standard
Rate 59 lbs/in
SKU U-77CS
Solid Length 0.44 in
Suggested Max Deflection 0.14 in
Suggested Max Load 8.3 lbf
Total Coils 12.5
Wire Diameter 0.035 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name U-77
Ends Closed & Ground
Finish None
Free Length 19.05 mm
Inside Diameter 3 mm
Material Spring Steel
Outside Diameter 4.78 mm
Part Type Standard
Rate 10.33 N/mm
SKU U-77CS
Solid Length 11.18 mm
Suggested Max Deflection 3.56 mm
Suggested Max Load 36.92 N
Total Coils 12.5
Wire Diameter 0.89 mm