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1561 - 3.75 Inch 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 14 coils and Closed & Ground ends. This spring features an O.D. of 0.859 Inch, and an I.D. of 0.629 Inch.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 1561
Ends Closed & Ground
Finish Zinc
Free Length 3.75 in
Inside Diameter 0.629 in
Material Spring Steel
Outside Diameter 0.859 in
Part Type Standard
Rate 51 lbs/in
SKU 1561CS
Solid Length 1.61 in
Suggested Max Deflection 1.1 in
Suggested Max Load 55 lbf
Total Coils 14
Wire Diameter 0.115 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 1561
Ends Closed & Ground
Finish Zinc
Free Length 95.25 mm
Inside Diameter 15.98 mm
Material Spring Steel
Outside Diameter 21.82 mm
Part Type Standard
Rate 8.93 N/mm
SKU 1561CS
Solid Length 40.89 mm
Suggested Max Deflection 27.94 mm
Suggested Max Load 244.64 N
Total Coils 14
Wire Diameter 2.92 mm