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B-81 - 0.53 Inch, 41 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 7 coils and Closed & Ground ends. This spring features an O.D. of 0.219 Inch, an I.D. of 0.155 Inch, and a spring rate of 41 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name B-81
Ends Closed & Ground
Finish None
Free Length 0.53 in
Inside Diameter 0.155 in
Material 302/304 Stainless Steel
Outside Diameter 0.219 in
Part Type Standard
Rate 41 lbs/in
SKU B-81CS
Solid Length 0.22 in
Suggested Max Deflection 0.13 in
Suggested Max Load 5.4 lbf
Total Coils 7
Wire Diameter 0.032 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name B-81
Ends Closed & Ground
Finish None
Free Length 13.46 mm
Inside Diameter 3.94 mm
Material 302/304 Stainless Steel
Outside Diameter 5.56 mm
Part Type Standard
Rate 7.18 N/mm
SKU B-81CS
Solid Length 5.59 mm
Suggested Max Deflection 3.3 mm
Suggested Max Load 24.02 N
Total Coils 7
Wire Diameter 0.81 mm

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