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12221 - 2.78 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 11 coils and Closed & Ground ends. This spring features an O.D. of 0.687 Inch, and an I.D. of 0.515 Inch.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 12221
Ends Closed & Ground
Finish Zinc
Free Length 2.78 in
Inside Diameter 0.515 in
Material Spring Steel
Outside Diameter 0.687 in
Part Type Standard
Rate 40 lbs/in
SKU 12221CS
Solid Length 0.95 in
Suggested Max Deflection 0.77 in
Suggested Max Load 31 lbf
Total Coils 11
Wire Diameter 0.086 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 12221
Ends Closed & Ground
Finish Zinc
Free Length 70.61 mm
Inside Diameter 13.08 mm
Material Spring Steel
Outside Diameter 17.45 mm
Part Type Standard
Rate 7 N/mm
SKU 12221CS
Solid Length 24.13 mm
Suggested Max Deflection 19.56 mm
Suggested Max Load 137.89 N
Total Coils 11
Wire Diameter 2.18 mm

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