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A9-11 - 0.5 Inch, 49 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 7 coils and Closed & Ground ends. This spring features an O.D. of 0.25 Inch, an I.D. of 0.178 Inch, and a spring rate of 49 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name A9-11
Ends Closed & Ground
Finish None
Free Length 0.5 in
Inside Diameter 0.178 in
Material Spring Steel
Outside Diameter 0.25 in
Part Type Standard
Rate 49 lbs/in
SKU A9-11CS
Solid Length 0.25 in
Suggested Max Deflection 0.14 in
Suggested Max Load 7 lbf
Total Coils 7
Wire Diameter 0.036 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name A9-11
Ends Closed & Ground
Finish None
Free Length 12.7 mm
Inside Diameter 4.52 mm
Material Spring Steel
Outside Diameter 6.35 mm
Part Type Standard
Rate 8.58 N/mm
SKU A9-11CS
Solid Length 6.35 mm
Suggested Max Deflection 3.56 mm
Suggested Max Load 31.14 N
Total Coils 7
Wire Diameter 0.91 mm

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