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3690 - 3.44 Inch, 8.6 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 34 coils and Closed & Ground ends. This spring features an O.D. of 0.437 Inch, an I.D. of 0.323 Inch, and a spring rate of 8.6 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 3690
Ends Closed & Ground
Finish Zinc
Free Length 3.44 in
Inside Diameter 0.323 in
Material Spring Steel
Outside Diameter 0.437 in
Part Type Standard
Rate 8.6 lbs/in
SKU 3690CS
Solid Length 1.94 in
Suggested Max Deflection 1.5 in
Suggested Max Load 13 lbf
Total Coils 34
Wire Diameter 0.057 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3690
Ends Closed & Ground
Finish Zinc
Free Length 87.38 mm
Inside Diameter 8.2 mm
Material Spring Steel
Outside Diameter 11.1 mm
Part Type Standard
Rate 1.51 N/mm
SKU 3690CS
Solid Length 49.28 mm
Suggested Max Deflection 38.1 mm
Suggested Max Load 57.82 N
Total Coils 34
Wire Diameter 1.45 mm

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