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3421 - 8.25 Inch, 56 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 21.4 coils and Closed & Ground ends. This spring features an O.D. of 1.828 Inch, an I.D. of 1.368 Inch, and a spring rate of 56 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 3421
Ends Closed & Ground
Finish Black Oxide
Free Length 8.25 in
Inside Diameter 1.368 in
Material Spring Steel
Outside Diameter 1.828 in
Part Type Standard
Rate 56 lbs/in
SKU 3421CS
Solid Length 4.49 in
Suggested Max Deflection 3.2 in
Suggested Max Load 181 lbf
Total Coils 21.4
Wire Diameter 0.235 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3421
Ends Closed & Ground
Finish Black Oxide
Free Length 209.55 mm
Inside Diameter 34.75 mm
Material Spring Steel
Outside Diameter 46.43 mm
Part Type Standard
Rate 9.81 N/mm
SKU 3421CS
Solid Length 114.05 mm
Suggested Max Deflection 81.28 mm
Suggested Max Load 805.09 N
Total Coils 21.4
Wire Diameter 5.97 mm

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