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4278 - 0.47 Inch, 3.8 Inch Pounds Music Wire Compression Spring

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

Compression spring manufactured from Music Wire with 7 coils and Closed ends. This spring features an O.D. of 0.25 Inch, an I.D. of 0.21 Inch, and a spring rate of 3.8 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 4278
Ends Closed
Finish Zinc
Free Length 0.47 in
Inside Diameter 0.21 in
Material Music Wire
Outside Diameter 0.25 in
Part Type Standard
Rate 3.8 lbs/in
SKU 4278CS
Solid Length 0.16 in
Suggested Max Deflection 0.31 in
Suggested Max Load 1.2 lbf
Total Coils 7
Wire Diameter 0.02 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 4278
Ends Closed
Finish Zinc
Free Length 11.94 mm
Inside Diameter 5.33 mm
Material Music Wire
Outside Diameter 6.35 mm
Part Type Standard
Rate 0.67 N/mm
SKU 4278CS
Solid Length 4.06 mm
Suggested Max Deflection 7.87 mm
Suggested Max Load 5.34 N
Total Coils 7
Wire Diameter 0.51 mm

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