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

Compression spring manufactured from Music Wire with 28 coils and Closed ends. This spring features an O.D. of 0.25 Inch, and an I.D. of 0.2 Inch.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 4251
Ends Closed
Finish Zinc
Free Length 2 in
Inside Diameter 0.2 in
Material Music Wire
Outside Diameter 0.25 in
Part Type Standard
Rate 1.9 lbs/in
SKU 4251CS
Solid Length 0.73 in
Suggested Max Deflection 1.3 in
Suggested Max Load 2.4 lbf
Total Coils 28
Wire Diameter 0.025 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 4251
Ends Closed
Finish Zinc
Free Length 50.8 mm
Inside Diameter 5.08 mm
Material Music Wire
Outside Diameter 6.35 mm
Part Type Standard
Rate 0.33 N/mm
SKU 4251CS
Solid Length 18.54 mm
Suggested Max Deflection 33.02 mm
Suggested Max Load 10.68 N
Total Coils 28
Wire Diameter 0.64 mm