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B18-138 - 0.44 Inch, 1.2 Inch Pounds Music Wire Compression Spring

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

Compression spring manufactured from Music Wire with 6 coils and Closed ends. This spring features an O.D. of 0.156 Inch, an I.D. of 0.136 Inch, and a spring rate of 1.2 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name B18-138
Ends Closed
Finish Gold Iridite
Free Length 0.44 in
Inside Diameter 0.136 in
Material Music Wire
Outside Diameter 0.156 in
Part Type Standard
Rate 1.2 lbs/in
SKU B18-138CS
Solid Length 0.07 in
Suggested Max Deflection 0.37 in
Suggested Max Load 0.42 lbf
Total Coils 6
Wire Diameter 0.01 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name B18-138
Ends Closed
Finish Gold Iridite
Free Length 11.18 mm
Inside Diameter 3.45 mm
Material Music Wire
Outside Diameter 3.96 mm
Part Type Standard
Rate 0.21 N/mm
SKU B18-138CS
Solid Length 1.78 mm
Suggested Max Deflection 9.4 mm
Suggested Max Load 1.87 N
Total Coils 6
Wire Diameter 0.25 mm

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