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3538 - 1.28 Inch, 5.6 Inch Pounds Hard Drawn Compression Spring

Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours

Compression spring manufactured from Hard Drawn with 9.5 coils and Closed & Ground ends. This spring features an O.D. of 0.406 Inch, an I.D. of 0.336 Inch, and a spring rate of 5.6 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 3538
Ends Closed & Ground
Finish Zinc
Free Length 1.28 in
Inside Diameter 0.336 in
Material Hard Drawn
Outside Diameter 0.406 in
Part Type Standard
Rate 5.6 lbs/in
SKU 3538CS
Solid Length 0.33 in
Suggested Max Deflection 0.73 in
Suggested Max Load 4.1 lbf
Total Coils 9.5
Wire Diameter 0.035 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3538
Ends Closed & Ground
Finish Zinc
Free Length 32.51 mm
Inside Diameter 8.53 mm
Material Hard Drawn
Outside Diameter 10.31 mm
Part Type Standard
Rate 0.98 N/mm
SKU 3538CS
Solid Length 8.38 mm
Suggested Max Deflection 18.54 mm
Suggested Max Load 18.24 N
Total Coils 9.5
Wire Diameter 0.89 mm

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