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3818 - 1.38 Inch, 133 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 8.5 coils and Closed & Ground ends. This spring features an O.D. of 0.625 Inch, an I.D. of 0.431 Inch, and a spring rate of 133 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 3818
Ends Closed & Ground
Finish Zinc
Free Length 1.38 in
Inside Diameter 0.431 in
Material Spring Steel
Outside Diameter 0.625 in
Part Type Standard
Rate 133 lbs/in
SKU 3818CS
Solid Length 0.82 in
Suggested Max Deflection 0.35 in
Suggested Max Load 46 lbf
Total Coils 8.5
Wire Diameter 0.097 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3818
Ends Closed & Ground
Finish Zinc
Free Length 35.05 mm
Inside Diameter 10.95 mm
Material Spring Steel
Outside Diameter 15.88 mm
Part Type Standard
Rate 23.29 N/mm
SKU 3818CS
Solid Length 20.83 mm
Suggested Max Deflection 8.89 mm
Suggested Max Load 204.61 N
Total Coils 8.5
Wire Diameter 2.46 mm

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