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I-28 - 0.41 Inch, 130 Inch Pounds Spring Steel Compression Spring

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

Compression spring manufactured from Spring Steel with 4.5 coils and Closed & Ground ends. This spring features an O.D. of 0.343 Inch, an I.D. of 0.245 Inch, and a spring rate of 130 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name I-28
Ends Closed & Ground
Finish None
Free Length 0.41 in
Inside Diameter 0.245 in
Material Spring Steel
Outside Diameter 0.343 in
Part Type Standard
Rate 130 lbs/in
SKU I-28CS
Solid Length 0.22 in
Suggested Max Deflection 0.1 in
Suggested Max Load 13 lbf
Total Coils 4.5
Wire Diameter 0.049 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name I-28
Ends Closed & Ground
Finish None
Free Length 10.41 mm
Inside Diameter 6.22 mm
Material Spring Steel
Outside Diameter 8.71 mm
Part Type Standard
Rate 22.76 N/mm
SKU I-28CS
Solid Length 5.59 mm
Suggested Max Deflection 2.54 mm
Suggested Max Load 57.82 N
Total Coils 4.5
Wire Diameter 1.24 mm

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