S-645

S-645

Regular extension spring in 302/304 Stainless Steel. This spring features an O.D. of 0.281 Inch, an initial tension of 0.4 Pound, and a spring rate of 3.2 Pound Force per Inch.

Current variant: S-645CS. Navigate to a different variant:
Diagram of extension spring with measurements
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name S-645
Ends Machine Hook
Finish None
Initial Tension 0.4 lb
Length 1 in
Material 302/304 Stainless Steel
Outside Diameter 0.281 in
Part Type Standard
Rate 3.2 lbf/in
Sugg Max Deflection 0.73 in
Sugg Max Load 2.7 lbf
Wind Direction Left
Wire Diameter 0.028 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-645
Ends Machine Hook
Finish None
Initial Tension 0.18 kg
Length 25.4 mm
Material 302/304 Stainless Steel
Outside Diameter 7.14 mm
Part Type Standard
Rate 0.56 N/mm
Sugg Max Deflection 18.54 mm
Sugg Max Load 12.01 N
Wind Direction Left
Wire Diameter 0.71 mm

Inventory Status

In-stock

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Quantity Price
1 - 49 $5.22
50 - 149 $4.96
150 - 299 $4.70
300 - 499 $4.44
500 - 749 $3.92
750 - 999 $3.40
1000+ Call for price