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72905S - 3.5 Inch, 56 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 8.13 coils and Closed & Ground ends. This spring features an O.D. of 1.687 Inch, an I.D. of 1.333 Inch, and a spring rate of 56 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 72905S
Ends Closed & Ground
Finish None
Free Length 3.5 in
Inside Diameter 1.333 in
Material 302/304 Stainless Steel
Outside Diameter 1.687 in
Part Type Standard
Rate 56 lbs/in
SKU 72905SCS
Solid Length 1.44 in
Suggested Max Deflection 1.5 in
Suggested Max Load 87 lbf
Total Coils 8.13
Wire Diameter 0.177 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 72905S
Ends Closed & Ground
Finish None
Free Length 88.9 mm
Inside Diameter 33.86 mm
Material 302/304 Stainless Steel
Outside Diameter 42.85 mm
Part Type Standard
Rate 9.81 N/mm
SKU 72905SCS
Solid Length 36.58 mm
Suggested Max Deflection 38.1 mm
Suggested Max Load 386.98 N
Total Coils 8.13
Wire Diameter 4.5 mm

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