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JJ-21 - 1.44 Inch, 3.6 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 29 coils and Closed & Ground ends. This spring features an O.D. of 0.25 Inch, an I.D. of 0.19 Inch, and a spring rate of 3.6 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name JJ-21
Ends Closed & Ground
Finish None
Free Length 1.44 in
Inside Diameter 0.19 in
Material 302/304 Stainless Steel
Outside Diameter 0.25 in
Part Type Standard
Rate 3.6 lbs/in
SKU JJ-21CS
Solid Length 0.87 in
Suggested Max Deflection 0.57 in
Suggested Max Load 2 lbf
Total Coils 29
Wire Diameter 0.03 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name JJ-21
Ends Closed & Ground
Finish None
Free Length 36.58 mm
Inside Diameter 4.83 mm
Material 302/304 Stainless Steel
Outside Diameter 6.35 mm
Part Type Standard
Rate 0.63 N/mm
SKU JJ-21CS
Solid Length 22.1 mm
Suggested Max Deflection 14.48 mm
Suggested Max Load 8.9 N
Total Coils 29
Wire Diameter 0.76 mm

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