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3840 - 0.84 Inch, 78 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 & Ground ends. This spring features an O.D. of 0.593 Inch, an I.D. of 0.449 Inch, and a spring rate of 78 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 3840
Ends Closed & Ground
Finish Zinc
Free Length 0.84 in
Inside Diameter 0.449 in
Material Spring Steel
Outside Diameter 0.593 in
Part Type Standard
Rate 78 lbs/in
SKU 3840CS
Solid Length 0.4 in
Suggested Max Deflection 0.27 in
Suggested Max Load 21 lbf
Total Coils 5.5
Wire Diameter 0.072 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3840
Ends Closed & Ground
Finish Zinc
Free Length 21.34 mm
Inside Diameter 11.4 mm
Material Spring Steel
Outside Diameter 15.06 mm
Part Type Standard
Rate 13.66 N/mm
SKU 3840CS
Solid Length 10.16 mm
Suggested Max Deflection 6.86 mm
Suggested Max Load 93.41 N
Total Coils 5.5
Wire Diameter 1.83 mm

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