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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 12 coils and Closed & Ground ends. This spring features an O.D. of 0.219 Inch, and an I.D. of 0.159 Inch.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name Z-40
Ends Closed & Ground
Finish None
Free Length 1.16 in
Inside Diameter 0.159 in
Material Music Wire
Outside Diameter 0.219 in
Part Type Standard
Rate 17 lbs/in
SKU Z-40CS
Solid Length 0.36 in
Suggested Max Deflection 0.39 in
Suggested Max Load 6.7 lbf
Total Coils 12
Wire Diameter 0.03 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name Z-40
Ends Closed & Ground
Finish None
Free Length 29.46 mm
Inside Diameter 4.04 mm
Material Music Wire
Outside Diameter 5.56 mm
Part Type Standard
Rate 2.98 N/mm
SKU Z-40CS
Solid Length 9.14 mm
Suggested Max Deflection 9.91 mm
Suggested Max Load 29.8 N
Total Coils 12
Wire Diameter 0.76 mm