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4305 - 2.75 Inch 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 12.8 coils and Closed & Ground ends. This spring features an O.D. of 0.859 Inch, and an I.D. of 0.609 Inch.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 4305
Ends Closed & Ground
Finish Zinc
Free Length 2.75 in
Inside Diameter 0.609 in
Material Spring Steel
Outside Diameter 0.859 in
Part Type Standard
Rate 83 lbs/in
SKU 4305CS
Solid Length 1.59 in
Suggested Max Deflection 0.85 in
Suggested Max Load 70 lbf
Total Coils 12.8
Wire Diameter 0.125 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 4305
Ends Closed & Ground
Finish Zinc
Free Length 69.85 mm
Inside Diameter 15.47 mm
Material Spring Steel
Outside Diameter 21.82 mm
Part Type Standard
Rate 14.53 N/mm
SKU 4305CS
Solid Length 40.39 mm
Suggested Max Deflection 21.59 mm
Suggested Max Load 311.36 N
Total Coils 12.8
Wire Diameter 3.18 mm

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