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3121 - 2.13 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 6 coils and Closed & Ground ends. This spring features an O.D. of 1.078 Inch, and an I.D. of 0.934 Inch.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 3121
Ends Closed & Ground
Finish Zinc
Free Length 2.13 in
Inside Diameter 0.934 in
Material Spring Steel
Outside Diameter 1.078 in
Part Type Standard
Rate 9.5 lbs/in
SKU 3121CS
Solid Length 0.43 in
Suggested Max Deflection 1.3 in
Suggested Max Load 12 lbf
Total Coils 6
Wire Diameter 0.072 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3121
Ends Closed & Ground
Finish Zinc
Free Length 54.1 mm
Inside Diameter 23.72 mm
Material Spring Steel
Outside Diameter 27.38 mm
Part Type Standard
Rate 1.66 N/mm
SKU 3121CS
Solid Length 10.92 mm
Suggested Max Deflection 33.02 mm
Suggested Max Load 53.38 N
Total Coils 6
Wire Diameter 1.83 mm

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