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A9-51 - 2.66 Inch, 4.9 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 17 coils and Closed & Ground ends. This spring features an O.D. of 0.42 Inch, an I.D. of 0.338 Inch, and a spring rate of 4.9 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name A9-51
Ends Closed & Ground
Finish Zinc
Free Length 2.66 in
Inside Diameter 0.338 in
Material Spring Steel
Outside Diameter 0.42 in
Part Type Standard
Rate 4.9 lbs/in
SKU A9-51CS
Solid Length 0.7 in
Suggested Max Deflection 1.3 in
Suggested Max Load 6.3 lbf
Total Coils 17
Wire Diameter 0.041 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name A9-51
Ends Closed & Ground
Finish Zinc
Free Length 67.56 mm
Inside Diameter 8.59 mm
Material Spring Steel
Outside Diameter 10.67 mm
Part Type Standard
Rate 0.86 N/mm
SKU A9-51CS
Solid Length 17.78 mm
Suggested Max Deflection 33.02 mm
Suggested Max Load 28.02 N
Total Coils 17
Wire Diameter 1.04 mm

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