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U-3 - 1.13 Inch, 5.3 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 10 coils and Closed ends. This spring features an O.D. of 0.375 Inch, an I.D. of 0.309 Inch, and a spring rate of 5.3 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name U-3
Ends Closed
Finish Zinc
Free Length 1.13 in
Inside Diameter 0.309 in
Material Spring Steel
Outside Diameter 0.375 in
Part Type Standard
Rate 5.3 lbs/in
SKU U-3CS
Solid Length 0.36 in
Suggested Max Deflection 0.73 in
Suggested Max Load 3.9 lbf
Total Coils 10
Wire Diameter 0.033 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name U-3
Ends Closed
Finish Zinc
Free Length 28.7 mm
Inside Diameter 7.85 mm
Material Spring Steel
Outside Diameter 9.53 mm
Part Type Standard
Rate 0.93 N/mm
SKU U-3CS
Solid Length 9.14 mm
Suggested Max Deflection 18.54 mm
Suggested Max Load 17.35 N
Total Coils 10
Wire Diameter 0.84 mm

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