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AA-21 - 0.88 Inch, 0.81 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 8 coils and Closed ends. This spring features an O.D. of 0.25 Inch, an I.D. of 0.22 Inch, and a spring rate of 0.81 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name AA-21
Ends Closed
Finish None
Free Length 0.88 in
Inside Diameter 0.22 in
Material 302/304 Stainless Steel
Outside Diameter 0.25 in
Part Type Standard
Rate 0.81 lbs/in
SKU AA-21CS
Solid Length 0.14 in
Suggested Max Deflection 0.67 in
Suggested Max Load 0.54 lbf
Total Coils 8
Wire Diameter 0.015 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name AA-21
Ends Closed
Finish None
Free Length 22.35 mm
Inside Diameter 5.59 mm
Material 302/304 Stainless Steel
Outside Diameter 6.35 mm
Part Type Standard
Rate 0.14 N/mm
SKU AA-21CS
Solid Length 3.56 mm
Suggested Max Deflection 17.02 mm
Suggested Max Load 2.4 N
Total Coils 8
Wire Diameter 0.38 mm

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