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S-643 - 3.69 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 0.625 Inch and an initial tension of 11 Pound.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name S-643
Ends Machine Hook
Finish None
Initial Tension 11 lb
Length 3.69 in
Material 302/304 Stainless Steel
Outside Diameter 0.625 in
Part Type Standard
Rate 24 lbs/in
SKU S-643CS
Sugg Max Deflection 1.3 in
Sugg Max Load 42 lbf
Wind Direction Left
Wire Diameter 0.095 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-643
Ends Machine Hook
Finish None
Initial Tension 4.99 kg
Length 93.73 mm
Material 302/304 Stainless Steel
Outside Diameter 15.88 mm
Part Type Standard
Rate 4.2 N/mm
SKU S-643CS
Sugg Max Deflection 33.02 mm
Sugg Max Load 186.82 N
Wind Direction Left
Wire Diameter 2.41 mm

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