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11721 - 3.06 Inch, 28 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 8 coils and Closed & Ground ends. This spring features an O.D. of 1.343 Inch, an I.D. of 1.101 Inch, and a spring rate of 28 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 11721
Ends Closed & Ground
Finish Zinc
Free Length 3.06 in
Inside Diameter 1.101 in
Material Spring Steel
Outside Diameter 1.343 in
Part Type Standard
Rate 28 lbs/in
SKU 11721CS
Solid Length 0.97 in
Suggested Max Deflection 1.5 in
Suggested Max Load 42 lbf
Total Coils 8
Wire Diameter 0.121 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 11721
Ends Closed & Ground
Finish Zinc
Free Length 77.72 mm
Inside Diameter 27.97 mm
Material Spring Steel
Outside Diameter 34.11 mm
Part Type Standard
Rate 4.9 N/mm
SKU 11721CS
Solid Length 24.64 mm
Suggested Max Deflection 38.1 mm
Suggested Max Load 186.82 N
Total Coils 8
Wire Diameter 3.07 mm

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