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3939 - 3 Inch, 54 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 14 coils and Closed & Ground ends. This spring features an O.D. of 0.938 Inch, an I.D. of 0.688 Inch, and a spring rate of 54 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 3939
Ends Closed & Ground
Finish Zinc
Free Length 3 in
Inside Diameter 0.688 in
Material Spring Steel
Outside Diameter 0.938 in
Part Type Standard
Rate 54 lbs/in
SKU 3939CS
Solid Length 1.75 in
Suggested Max Deflection 1.2 in
Suggested Max Load 65 lbf
Total Coils 14
Wire Diameter 0.125 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3939
Ends Closed & Ground
Finish Zinc
Free Length 76.2 mm
Inside Diameter 17.48 mm
Material Spring Steel
Outside Diameter 23.83 mm
Part Type Standard
Rate 9.46 N/mm
SKU 3939CS
Solid Length 44.45 mm
Suggested Max Deflection 30.48 mm
Suggested Max Load 289.12 N
Total Coils 14
Wire Diameter 3.18 mm

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