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FF-99 - 0.63 Inch, 148 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 5.5 coils and Closed ends. This spring features an O.D. of 0.39 Inch, an I.D. of 0.27 Inch, and a spring rate of 148 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name FF-99
Ends Closed
Finish None
Free Length 0.63 in
Inside Diameter 0.27 in
Material Spring Steel
Outside Diameter 0.39 in
Part Type Standard
Rate 148 lbs/in
SKU FF-99CS
Solid Length 0.39 in
Suggested Max Deflection 0.13 in
Suggested Max Load 19 lbf
Total Coils 5.5
Wire Diameter 0.06 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name FF-99
Ends Closed
Finish None
Free Length 16 mm
Inside Diameter 6.86 mm
Material Spring Steel
Outside Diameter 9.91 mm
Part Type Standard
Rate 25.91 N/mm
SKU FF-99CS
Solid Length 9.91 mm
Suggested Max Deflection 3.3 mm
Suggested Max Load 84.51 N
Total Coils 5.5
Wire Diameter 1.52 mm

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