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73012S - 4 Inch, 144 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 8.88 coils and Closed & Ground ends. This spring features an O.D. of 1.937 Inch, an I.D. of 1.437 Inch, and a spring rate of 144 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 73012S
Ends Closed & Ground
Finish None
Free Length 4 in
Inside Diameter 1.437 in
Material 302/304 Stainless Steel
Outside Diameter 1.937 in
Part Type Standard
Rate 144 lbs/in
SKU 73012SCS
Solid Length 2.22 in
Suggested Max Deflection 1.3 in
Suggested Max Load 184 lbf
Total Coils 8.88
Wire Diameter 0.25 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 73012S
Ends Closed & Ground
Finish None
Free Length 101.6 mm
Inside Diameter 36.5 mm
Material 302/304 Stainless Steel
Outside Diameter 49.2 mm
Part Type Standard
Rate 25.21 N/mm
SKU 73012SCS
Solid Length 56.39 mm
Suggested Max Deflection 33.02 mm
Suggested Max Load 818.43 N
Total Coils 8.88
Wire Diameter 6.35 mm