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

Compression spring manufactured from Hard Drawn with 81.5 coils and Closed ends. This spring features an O.D. of 0.375 Inch, and an I.D. of 0.281 Inch.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 517
Ends Closed
Finish Zinc
Free Length 9 in
Inside Diameter 0.281 in
Material Hard Drawn
Outside Diameter 0.375 in
Part Type Standard
Rate 2.6 lbs/in
SKU 517CS
Solid Length 3.88 in
Suggested Max Deflection 4.2 in
Suggested Max Load 10 lbf
Total Coils 81.5
Wire Diameter 0.047 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 517
Ends Closed
Finish Zinc
Free Length 228.6 mm
Inside Diameter 7.14 mm
Material Hard Drawn
Outside Diameter 9.53 mm
Part Type Standard
Rate 0.46 N/mm
SKU 517CS
Solid Length 98.55 mm
Suggested Max Deflection 106.68 mm
Suggested Max Load 44.48 N
Total Coils 81.5
Wire Diameter 1.19 mm