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4120 - 1.38 Inch, 20 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 coils and Closed & Ground ends. This spring features an O.D. of 1.156 Inch, an I.D. of 0.986 Inch, and a spring rate of 20 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 4120
Ends Closed & Ground
Finish Zinc
Free Length 1.38 in
Inside Diameter 0.986 in
Material Spring Steel
Outside Diameter 1.156 in
Part Type Standard
Rate 20 lbs/in
SKU 4120CS
Solid Length 0.51 in
Suggested Max Deflection 0.87 in
Suggested Max Load 18 lbf
Total Coils 5
Wire Diameter 0.085 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 4120
Ends Closed & Ground
Finish Zinc
Free Length 35.05 mm
Inside Diameter 25.04 mm
Material Spring Steel
Outside Diameter 29.36 mm
Part Type Standard
Rate 3.5 N/mm
SKU 4120CS
Solid Length 12.95 mm
Suggested Max Deflection 22.1 mm
Suggested Max Load 80.06 N
Total Coils 5
Wire Diameter 2.16 mm

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