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S-641 - 6.75 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 1.421 Inch and an initial tension of 5 Pound.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name S-641
Ends Machine Hook
Finish None
Initial Tension 5 lb
Length 6.75 in
Material 302/304 Stainless Steel
Outside Diameter 1.421 in
Part Type Standard
Rate 2.9 lbs/in
SKU S-641CS
Sugg Max Deflection 9.7 in
Sugg Max Load 33 lbf
Wind Direction Left
Wire Diameter 0.12 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-641
Ends Machine Hook
Finish None
Initial Tension 2.27 kg
Length 171.45 mm
Material 302/304 Stainless Steel
Outside Diameter 36.09 mm
Part Type Standard
Rate 0.51 N/mm
SKU S-641CS
Sugg Max Deflection 246.38 mm
Sugg Max Load 146.78 N
Wind Direction Left
Wire Diameter 3.05 mm

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