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I-72 - 0.38 Inch, 2601 Inch Pounds Spring Steel Compression Spring

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

Regular compression spring in Spring Steel with 4 total coils and Closed & Ground ends. This spring features an O.D. of 0.281 Inch, an I.D. of 0.131 Inch, and a spring rate of 2601 Inch Pounds.

NOTE: The spring rate value for compression springs with 4 coils or less is a reference value.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name I-72
Ends Closed & Ground
Finish None
Free Length 0.38 in
Inside Diameter 0.131 in
Material Spring Steel
Outside Diameter 0.281 in
Part Type Standard
Rate 2601 lbs/in
SKU I-72CS
Solid Length 0.3 in
Suggested Max Deflection 0.02 in
Suggested Max Load 44 lbf
Total Coils 4
Wire Diameter 0.075 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name I-72
Ends Closed & Ground
Finish None
Free Length 9.65 mm
Inside Diameter 3.33 mm
Material Spring Steel
Outside Diameter 7.14 mm
Part Type Standard
Rate 455.44 N/mm
SKU I-72CS
Solid Length 7.62 mm
Suggested Max Deflection 0.51 mm
Suggested Max Load 195.71 N
Total Coils 4
Wire Diameter 1.91 mm

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