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72978S - 3 Inch, 70 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 1.937 Inch, an I.D. of 1.553 Inch, and a spring rate of 70 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 72978S
Ends Closed & Ground
Finish None
Free Length 3 in
Inside Diameter 1.553 in
Material 302/304 Stainless Steel
Outside Diameter 1.937 in
Part Type Standard
Rate 70 lbs/in
SKU 72978SCS
Solid Length 1.25 in
Suggested Max Deflection 1.3 in
Suggested Max Load 90 lbf
Total Coils 6.5
Wire Diameter 0.192 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 72978S
Ends Closed & Ground
Finish None
Free Length 76.2 mm
Inside Diameter 39.45 mm
Material 302/304 Stainless Steel
Outside Diameter 49.2 mm
Part Type Standard
Rate 12.26 N/mm
SKU 72978SCS
Solid Length 31.75 mm
Suggested Max Deflection 33.02 mm
Suggested Max Load 400.32 N
Total Coils 6.5
Wire Diameter 4.88 mm

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