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3890 - 1.5 Inch, 7 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 12.5 coils and Closed ends. This spring features an O.D. of 0.343 Inch, an I.D. of 0.273 Inch, and a spring rate of 7 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 3890
Ends Closed
Finish Zinc
Free Length 1.5 in
Inside Diameter 0.273 in
Material Spring Steel
Outside Diameter 0.343 in
Part Type Standard
Rate 7 lbs/in
SKU 3890CS
Solid Length 0.47 in
Suggested Max Deflection 0.68 in
Suggested Max Load 4.8 lbf
Total Coils 12.5
Wire Diameter 0.035 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3890
Ends Closed
Finish Zinc
Free Length 38.1 mm
Inside Diameter 6.93 mm
Material Spring Steel
Outside Diameter 8.71 mm
Part Type Standard
Rate 1.23 N/mm
SKU 3890CS
Solid Length 11.94 mm
Suggested Max Deflection 17.27 mm
Suggested Max Load 21.35 N
Total Coils 12.5
Wire Diameter 0.89 mm

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