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Century Spring

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

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Unit System
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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