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878 - 12 Inch, 3.5 Inch Pounds Hard Drawn Compression Spring

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

Compression spring manufactured from Hard Drawn with 66 coils and Closed ends. This spring features an O.D. of 0.625 Inch, an I.D. of 0.481 Inch, and a spring rate of 3.5 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 878
Ends Closed
Finish Zinc
Free Length 12 in
Inside Diameter 0.481 in
Material Hard Drawn
Outside Diameter 0.625 in
Part Type Standard
Rate 3.5 lbs/in
SKU 878CS
Solid Length 4.86 in
Suggested Max Deflection 5.7 in
Suggested Max Load 20 lbf
Total Coils 66
Wire Diameter 0.072 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 878
Ends Closed
Finish Zinc
Free Length 304.8 mm
Inside Diameter 12.22 mm
Material Hard Drawn
Outside Diameter 15.88 mm
Part Type Standard
Rate 0.61 N/mm
SKU 878CS
Solid Length 123.44 mm
Suggested Max Deflection 144.78 mm
Suggested Max Load 88.96 N
Total Coils 66
Wire Diameter 1.83 mm

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