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S-439 - 1.38 Inch, 7.7 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 6.5 coils and Closed & Ground ends. This spring features an O.D. of 0.75 Inch, an I.D. of 0.64 Inch, and a spring rate of 7.7 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name S-439
Ends Closed & Ground
Finish None
Free Length 1.38 in
Inside Diameter 0.64 in
Material 302/304 Stainless Steel
Outside Diameter 0.75 in
Part Type Standard
Rate 7.7 lbs/in
SKU S-439CS
Solid Length 0.36 in
Suggested Max Deflection 0.98 in
Suggested Max Load 7.6 lbf
Total Coils 6.5
Wire Diameter 0.055 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-439
Ends Closed & Ground
Finish None
Free Length 35.05 mm
Inside Diameter 16.26 mm
Material 302/304 Stainless Steel
Outside Diameter 19.05 mm
Part Type Standard
Rate 1.35 N/mm
SKU S-439CS
Solid Length 9.14 mm
Suggested Max Deflection 24.89 mm
Suggested Max Load 33.8 N
Total Coils 6.5
Wire Diameter 1.4 mm

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