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12539 - 1.2 Inch, 207 Inch Pounds Spring Steel Compression Spring

Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours

Regular compression spring in Spring Steel with 3.75 total coils and Closed ends. This spring features an O.D. of 1.375 Inch, an I.D. of 1.081 Inch, and a spring rate of 207 Inch Pounds.

NOTE: The spring rate value for compression springs with 4 coils or less is a reference value.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 12539
Ends Closed
Finish None
Free Length 1.2 in
Inside Diameter 1.081 in
Material Spring Steel
Outside Diameter 1.375 in
Part Type Standard
Rate 207 lbs/in
SKU 12539CS
Solid Length 0.7 in
Suggested Max Deflection 0.34 in
Suggested Max Load 71 lbf
Total Coils 3.75
Wire Diameter 0.147 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 12539
Ends Closed
Finish None
Free Length 30.48 mm
Inside Diameter 27.46 mm
Material Spring Steel
Outside Diameter 34.93 mm
Part Type Standard
Rate 36.25 N/mm
SKU 12539CS
Solid Length 17.78 mm
Suggested Max Deflection 8.64 mm
Suggested Max Load 315.81 N
Total Coils 3.75
Wire Diameter 3.73 mm

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