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Century Spring

S-581CS - 3.5 Inch 302/304 Stainless Steel Extension Spring

Inventory Status
Estimated Lead Time

Regular extension spring in 302/304 Stainless Steel. This spring features an O.D. of 0.5 Inch and an initial tension of 2 Pound.

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name S-581
Ends Full Loop
Finish None
Initial Tension 2 lb
Length 3.5 in
Material 302/304 Stainless Steel
Outside Diameter 0.5 in
Part Type Standard
Rate 2.2 lbs/in
SKU S-581CS
Sugg Max Deflection 3.7 in
Sugg Max Load 9.9 lbf
Wind Direction Left
Wire Diameter 0.054 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-581
Ends Full Loop
Finish None
Initial Tension 0.91 kg
Length 88.9 mm
Material 302/304 Stainless Steel
Outside Diameter 12.7 mm
Part Type Standard
Rate 0.39 N/mm
SKU S-581CS
Sugg Max Deflection 93.98 mm
Sugg Max Load 44.04 N
Wind Direction Left
Wire Diameter 1.37 mm

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