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M-142 - 0.38 Inch, 40 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 ends. This spring features an O.D. of 0.36 Inch, an I.D. of 0.286 Inch, and a spring rate of 40 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 M-142
Ends Closed
Finish None
Free Length 0.38 in
Inside Diameter 0.286 in
Material Spring Steel
Outside Diameter 0.36 in
Part Type Standard
Rate 40 lbs/in
SKU M-142CS
Solid Length 0.19 in
Suggested Max Deflection 0.13 in
Suggested Max Load 5.4 lbf
Total Coils 4
Wire Diameter 0.037 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name M-142
Ends Closed
Finish None
Free Length 9.65 mm
Inside Diameter 7.26 mm
Material Spring Steel
Outside Diameter 9.14 mm
Part Type Standard
Rate 7 N/mm
SKU M-142CS
Solid Length 4.83 mm
Suggested Max Deflection 3.3 mm
Suggested Max Load 24.02 N
Total Coils 4
Wire Diameter 0.94 mm

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