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S-571 - 4 Inch 302/304 Stainless Steel Extension Spring

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

Regular extension spring in 302/304 Stainless Steel. This spring features an O.D. of 0.375 Inch and an initial tension of 3 Pound.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name S-571
Ends Machine Hook
Finish None
Initial Tension 3 lb
Length 4 in
Material 302/304 Stainless Steel
Outside Diameter 0.375 in
Part Type Standard
Rate 5 lbs/in
SKU S-571CS
Sugg Max Deflection 2.1 in
Sugg Max Load 14 lbf
Wind Direction Left
Wire Diameter 0.054 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-571
Ends Machine Hook
Finish None
Initial Tension 1.36 kg
Length 101.6 mm
Material 302/304 Stainless Steel
Outside Diameter 9.53 mm
Part Type Standard
Rate 0.88 N/mm
SKU S-571CS
Sugg Max Deflection 53.34 mm
Sugg Max Load 62.27 N
Wind Direction Left
Wire Diameter 1.37 mm

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