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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 17 coils and Closed ends. This spring features an O.D. of 0.343 Inch, and an I.D. of 0.289 Inch.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 3691
Ends Closed
Finish Zinc
Free Length 2.34 in
Inside Diameter 0.289 in
Material Music Wire
Outside Diameter 0.343 in
Part Type Standard
Rate 1.6 lbs/in
SKU 3691CS
Solid Length 0.49 in
Suggested Max Deflection 1.9 in
Suggested Max Load 3 lbf
Total Coils 17
Wire Diameter 0.027 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3691
Ends Closed
Finish Zinc
Free Length 59.44 mm
Inside Diameter 7.34 mm
Material Music Wire
Outside Diameter 8.71 mm
Part Type Standard
Rate 0.28 N/mm
SKU 3691CS
Solid Length 12.45 mm
Suggested Max Deflection 48.26 mm
Suggested Max Load 13.34 N
Total Coils 17
Wire Diameter 0.69 mm