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.

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

Compression spring manufactured from Hard Drawn with 7.25 coils and Closed ends. This spring features an O.D. of 0.687 Inch, and an I.D. of 0.505 Inch.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 28
Ends Closed
Finish Zinc
Free Length 1.25 in
Inside Diameter 0.505 in
Material Hard Drawn
Outside Diameter 0.687 in
Part Type Standard
Rate 89 lbs/in
SKU 28CS
Solid Length 0.75 in
Suggested Max Deflection 0.4 in
Suggested Max Load 35 lbf
Total Coils 7.25
Wire Diameter 0.091 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 28
Ends Closed
Finish Zinc
Free Length 31.75 mm
Inside Diameter 12.83 mm
Material Hard Drawn
Outside Diameter 17.45 mm
Part Type Standard
Rate 15.58 N/mm
SKU 28CS
Solid Length 19.05 mm
Suggested Max Deflection 10.16 mm
Suggested Max Load 155.68 N
Total Coils 7.25
Wire Diameter 2.31 mm