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3289 - 0.28 Inch, 39 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 4 total coils and Closed ends. This spring features an O.D. of 0.375 Inch, an I.D. of 0.299 Inch, and a spring rate of 39 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 3289
Ends Closed
Finish Zinc
Free Length 0.28 in
Inside Diameter 0.299 in
Material Spring Steel
Outside Diameter 0.375 in
Part Type Standard
Rate 39 lbs/in
SKU 3289CS
Solid Length 0.19 in
Suggested Max Deflection 0.09 in
Suggested Max Load 3.6 lbf
Total Coils 4
Wire Diameter 0.038 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3289
Ends Closed
Finish Zinc
Free Length 7.11 mm
Inside Diameter 7.59 mm
Material Spring Steel
Outside Diameter 9.53 mm
Part Type Standard
Rate 6.83 N/mm
SKU 3289CS
Solid Length 4.83 mm
Suggested Max Deflection 2.29 mm
Suggested Max Load 16.01 N
Total Coils 4
Wire Diameter 0.97 mm

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