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3872 - 0.81 Inch, 11 Inch Pounds Spring Steel Compression Spring

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

Regular compression spring in Spring Steel with 3.5 total coils and Closed ends. This spring features an O.D. of 0.828 Inch, an I.D. of 0.732 Inch, and a spring rate of 11 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 3872
Ends Closed
Finish Zinc
Free Length 0.81 in
Inside Diameter 0.732 in
Material Spring Steel
Outside Diameter 0.828 in
Part Type Standard
Rate 11 lbs/in
SKU 3872CS
Solid Length 0.22 in
Suggested Max Deflection 0.49 in
Suggested Max Load 5.2 lbf
Total Coils 3.5
Wire Diameter 0.048 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3872
Ends Closed
Finish Zinc
Free Length 20.57 mm
Inside Diameter 18.59 mm
Material Spring Steel
Outside Diameter 21.03 mm
Part Type Standard
Rate 1.93 N/mm
SKU 3872CS
Solid Length 5.59 mm
Suggested Max Deflection 12.45 mm
Suggested Max Load 23.13 N
Total Coils 3.5
Wire Diameter 1.22 mm

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