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S-1643 - 3.5 Inch, 0.72 Inch Pounds 302/304 Stainless Steel Compression Spring

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

Compression spring manufactured from 302/304 Stainless Steel with 9.25 coils and Closed & Ground ends. This spring features an O.D. of 3.828 Inch, an I.D. of 3.588 Inch, and a spring rate of 0.72 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name S-1643
Ends Closed & Ground
Finish None
Free Length 3.5 in
Inside Diameter 3.588 in
Material 302/304 Stainless Steel
Outside Diameter 3.828 in
Part Type Standard
Rate 0.72 lbs/in
SKU S-1643CS
Solid Length 1.11 in
Suggested Max Deflection 2.4 in
Suggested Max Load 1.7 lbf
Total Coils 9.25
Wire Diameter 0.12 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-1643
Ends Closed & Ground
Finish None
Free Length 88.9 mm
Inside Diameter 91.14 mm
Material 302/304 Stainless Steel
Outside Diameter 97.23 mm
Part Type Standard
Rate 0.13 N/mm
SKU S-1643CS
Solid Length 28.19 mm
Suggested Max Deflection 60.96 mm
Suggested Max Load 7.56 N
Total Coils 9.25
Wire Diameter 3.05 mm

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