S-640

S-640

Regular extension spring in 302/304 Stainless Steel. This spring features an O.D. of 0.468 Inch, an initial tension of 6 Pound, and a spring rate of 9.5 Pound Force per Inch.

Diagram of extension spring with measurements
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name S-640
Ends Machine Hook
Finish None
Initial Tension 6 lb
Length 4.72 in
Material 302/304 Stainless Steel
Outside Diameter 0.468 in
Part Type Standard
Rate 9.5 lbf/in
Sugg Max Deflection 2 in
Sugg Max Load 25 lbf
Wind Direction Left
Wire Diameter 0.072 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-640
Ends Machine Hook
Finish None
Initial Tension 2.72 kg
Length 119.89 mm
Material 302/304 Stainless Steel
Outside Diameter 11.89 mm
Part Type Standard
Rate 1.66 N/mm
Sugg Max Deflection 50.8 mm
Sugg Max Load 111.2 N
Wind Direction Left
Wire Diameter 1.83 mm

Inventory Status

In-stock

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Quantity Price
1 - 49 $7.06
50 - 149 $6.71
150 - 299 $6.36
300 - 499 $6.01
500 - 749 $5.30
750 - 999 $4.59
1000+ Call for price